About the Number

1272213180

1272213179 ← → 1272213181

2進数表記:1001011110101000110111010111100

漢数字表記:十二億七千二百二十一万三千百八十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 29 1 × 37 1 × 941 1

素因数の和:1029
約数の個数: 288
約数和(自身を含む): 4690707840
約数和(自身を除く): 3418494660

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 37, 42, 45, 58, 60, 63, 70, 74, 84, 87, 90, 105, 111, 116, 126, 140, 145, 148, 174, 180, 185, 203, 210, 222, 252, 259, 261, 290, 315, 333, 348, 370, 406, 420, 435, 444, 518, 522, 555, 580, 609, 630, 666, 740, 777, 812, 870, 941, 1015, 1036, 1044, 1073, 1110, 1218, 1260, 1295, 1305, 1332, 1554, 1665, 1740, 1827, 1882, 2030, 2146, 2220, 2331, 2436, 2590, 2610, 2823, 3045, 3108, 3219, 3330, 3654, 3764, 3885, 4060, 4292, 4662, 4705, 5180, 5220, 5365, 5646, 6090, 6438, 6587, 6660, 7308, 7511, 7770, 8469, 9135, 9324, 9410, 9657, 10730, 11292, 11655, 12180, 12876, 13174, 14115, 15022, 15540, 16095, 16938, 18270, 18820, 19314, 19761, 21460, 22533, 23310, 26348, 27289, 28230, 30044, 32190, 32935, 33876, 34817, 36540, 37555, 38628, 39522, 42345, 45066, 46620, 48285, 54578, 56460, 59283, 64380, 65870, 67599, 69634, 75110, 79044, 81867, 84690, 90132, 96570, 98805, 104451, 109156, 112665, 118566, 131740, 135198, 136445, 139268, 150220, 163734, 169380, 174085, 191023, 193140, 197610, 208902, 225330, 237132, 243719, 245601, 270396, 272890, 296415, 313353, 327468, 337995, 348170, 382046, 395220, 409335, 417804, 450660, 487438, 491202, 522255, 545780, 573069, 592830, 626706, 675990, 696340, 731157, 764092, 818670, 955115, 974876, 982404, 1009693, 1044510, 1146138, 1185660, 1218595, 1228005, 1253412, 1351980, 1462314, 1566765, 1637340, 1719207, 1910230, 2019386, 2089020, 2193471, 2292276, 2437190, 2456010, 2865345, 2924628, 3029079, 3133530, 3438414, 3655785, 3820460, 4038772, 4386942, 4874380, 4912020, 5048465, 5730690, 6058158, 6267060, 6876828, 7067851, 7311570, 8596035, 8773884, 9087237, 10096930, 10967355, 11461380, 12116316, 14135702, 14623140, 15145395, 17192070, 18174474, 20193860, 21203553, 21934710, 28271404, 30290790, 34384140, 35339255, 36348948, 42407106, 43869420, 45436185, 60581580, 63610659, 70678510, 84814212, 90872370, 106017765, 127221318, 141357020, 181744740, 212035530, 254442636, 318053295, 424071060, 636106590, 1272213180]

約数ペア:
[(1, 1272213180), (2, 636106590), (3, 424071060), (4, 318053295), (5, 254442636), (6, 212035530), (7, 181744740), (9, 141357020), (10, 127221318), (12, 106017765), (14, 90872370), (15, 84814212), (18, 70678510), (20, 63610659), (21, 60581580), (28, 45436185), (29, 43869420), (30, 42407106), (35, 36348948), (36, 35339255), (37, 34384140), (42, 30290790), (45, 28271404), (58, 21934710), (60, 21203553), (63, 20193860), (70, 18174474), (74, 17192070), (84, 15145395), (87, 14623140), (90, 14135702), (105, 12116316), (111, 11461380), (116, 10967355), (126, 10096930), (140, 9087237), (145, 8773884), (148, 8596035), (174, 7311570), (180, 7067851), (185, 6876828), (203, 6267060), (210, 6058158), (222, 5730690), (252, 5048465), (259, 4912020), (261, 4874380), (290, 4386942), (315, 4038772), (333, 3820460), (348, 3655785), (370, 3438414), (406, 3133530), (420, 3029079), (435, 2924628), (444, 2865345), (518, 2456010), (522, 2437190), (555, 2292276), (580, 2193471), (609, 2089020), (630, 2019386), (666, 1910230), (740, 1719207), (777, 1637340), (812, 1566765), (870, 1462314), (941, 1351980), (1015, 1253412), (1036, 1228005), (1044, 1218595), (1073, 1185660), (1110, 1146138), (1218, 1044510), (1260, 1009693), (1295, 982404), (1305, 974876), (1332, 955115), (1554, 818670), (1665, 764092), (1740, 731157), (1827, 696340), (1882, 675990), (2030, 626706), (2146, 592830), (2220, 573069), (2331, 545780), (2436, 522255), (2590, 491202), (2610, 487438), (2823, 450660), (3045, 417804), (3108, 409335), (3219, 395220), (3330, 382046), (3654, 348170), (3764, 337995), (3885, 327468), (4060, 313353), (4292, 296415), (4662, 272890), (4705, 270396), (5180, 245601), (5220, 243719), (5365, 237132), (5646, 225330), (6090, 208902), (6438, 197610), (6587, 193140), (6660, 191023), (7308, 174085), (7511, 169380), (7770, 163734), (8469, 150220), (9135, 139268), (9324, 136445), (9410, 135198), (9657, 131740), (10730, 118566), (11292, 112665), (11655, 109156), (12180, 104451), (12876, 98805), (13174, 96570), (14115, 90132), (15022, 84690), (15540, 81867), (16095, 79044), (16938, 75110), (18270, 69634), (18820, 67599), (19314, 65870), (19761, 64380), (21460, 59283), (22533, 56460), (23310, 54578), (26348, 48285), (27289, 46620), (28230, 45066), (30044, 42345), (32190, 39522), (32935, 38628), (33876, 37555), (34817, 36540)]

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