About the Number

1288396980

1288396979 ← → 1288396981

2進数表記:1001100110010110110000010110100

漢数字表記:十二億八千八百三十九万六千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 23 1 × 37 1 × 647 1

素因数の和:735
約数の個数: 288
約数和(自身を含む): 4517420544
約数和(自身を除く): 3229023564

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 37, 39, 45, 46, 52, 60, 65, 69, 74, 78, 90, 92, 111, 115, 117, 130, 138, 148, 156, 180, 185, 195, 207, 222, 230, 234, 260, 276, 299, 333, 345, 370, 390, 414, 444, 460, 468, 481, 555, 585, 598, 647, 666, 690, 740, 780, 828, 851, 897, 962, 1035, 1110, 1170, 1196, 1294, 1332, 1380, 1443, 1495, 1665, 1702, 1794, 1924, 1941, 2070, 2220, 2340, 2405, 2553, 2588, 2691, 2886, 2990, 3235, 3330, 3404, 3588, 3882, 4140, 4255, 4329, 4485, 4810, 5106, 5382, 5772, 5823, 5980, 6470, 6660, 7215, 7659, 7764, 8411, 8510, 8658, 8970, 9620, 9705, 10212, 10764, 11063, 11646, 12765, 12940, 13455, 14430, 14881, 15318, 16822, 17020, 17316, 17940, 19410, 21645, 22126, 23292, 23939, 25233, 25530, 26910, 28860, 29115, 29762, 30636, 33189, 33644, 38295, 38820, 42055, 43290, 44252, 44643, 47878, 50466, 51060, 53820, 55315, 58230, 59524, 66378, 71817, 74405, 75699, 76590, 84110, 86580, 89286, 95756, 99567, 100932, 110630, 116460, 119695, 126165, 132756, 133929, 143634, 148810, 151398, 153180, 165945, 168220, 178572, 193453, 199134, 215451, 221260, 223215, 239390, 252330, 267858, 287268, 297620, 302796, 311207, 331890, 359085, 378495, 386906, 398268, 430902, 446430, 478780, 497835, 504660, 535716, 550597, 580359, 622414, 663780, 669645, 718170, 756990, 773812, 861804, 892860, 933621, 967265, 995670, 1077255, 1101194, 1160718, 1244828, 1339290, 1436340, 1513980, 1556035, 1651791, 1741077, 1867242, 1934530, 1991340, 2154510, 2202388, 2321436, 2678580, 2752985, 2800863, 2901795, 3112070, 3303582, 3482154, 3734484, 3869060, 4309020, 4668105, 4955373, 5505970, 5601726, 5803590, 6224140, 6607164, 6964308, 7157761, 8258955, 8705385, 9336210, 9910746, 11011940, 11203452, 11607180, 14004315, 14315522, 16517910, 17410770, 18672420, 19821492, 21473283, 24776865, 28008630, 28631044, 33035820, 34821540, 35788805, 42946566, 49553730, 56017260, 64419849, 71577610, 85893132, 99107460, 107366415, 128839698, 143155220, 214732830, 257679396, 322099245, 429465660, 644198490, 1288396980]

約数ペア:
[(1, 1288396980), (2, 644198490), (3, 429465660), (4, 322099245), (5, 257679396), (6, 214732830), (9, 143155220), (10, 128839698), (12, 107366415), (13, 99107460), (15, 85893132), (18, 71577610), (20, 64419849), (23, 56017260), (26, 49553730), (30, 42946566), (36, 35788805), (37, 34821540), (39, 33035820), (45, 28631044), (46, 28008630), (52, 24776865), (60, 21473283), (65, 19821492), (69, 18672420), (74, 17410770), (78, 16517910), (90, 14315522), (92, 14004315), (111, 11607180), (115, 11203452), (117, 11011940), (130, 9910746), (138, 9336210), (148, 8705385), (156, 8258955), (180, 7157761), (185, 6964308), (195, 6607164), (207, 6224140), (222, 5803590), (230, 5601726), (234, 5505970), (260, 4955373), (276, 4668105), (299, 4309020), (333, 3869060), (345, 3734484), (370, 3482154), (390, 3303582), (414, 3112070), (444, 2901795), (460, 2800863), (468, 2752985), (481, 2678580), (555, 2321436), (585, 2202388), (598, 2154510), (647, 1991340), (666, 1934530), (690, 1867242), (740, 1741077), (780, 1651791), (828, 1556035), (851, 1513980), (897, 1436340), (962, 1339290), (1035, 1244828), (1110, 1160718), (1170, 1101194), (1196, 1077255), (1294, 995670), (1332, 967265), (1380, 933621), (1443, 892860), (1495, 861804), (1665, 773812), (1702, 756990), (1794, 718170), (1924, 669645), (1941, 663780), (2070, 622414), (2220, 580359), (2340, 550597), (2405, 535716), (2553, 504660), (2588, 497835), (2691, 478780), (2886, 446430), (2990, 430902), (3235, 398268), (3330, 386906), (3404, 378495), (3588, 359085), (3882, 331890), (4140, 311207), (4255, 302796), (4329, 297620), (4485, 287268), (4810, 267858), (5106, 252330), (5382, 239390), (5772, 223215), (5823, 221260), (5980, 215451), (6470, 199134), (6660, 193453), (7215, 178572), (7659, 168220), (7764, 165945), (8411, 153180), (8510, 151398), (8658, 148810), (8970, 143634), (9620, 133929), (9705, 132756), (10212, 126165), (10764, 119695), (11063, 116460), (11646, 110630), (12765, 100932), (12940, 99567), (13455, 95756), (14430, 89286), (14881, 86580), (15318, 84110), (16822, 76590), (17020, 75699), (17316, 74405), (17940, 71817), (19410, 66378), (21645, 59524), (22126, 58230), (23292, 55315), (23939, 53820), (25233, 51060), (25530, 50466), (26910, 47878), (28860, 44643), (29115, 44252), (29762, 43290), (30636, 42055), (33189, 38820), (33644, 38295)]

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