305727660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2085

約数の個数: 216

約数和(自身を含む): 1142799840

約数和(自身を除く): 837072180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 588, 595, 612, 630, 714, 735, 765, 833, 882, 980, 1020, 1071, 1190, 1260, 1428, 1470, 1530, 1666, 1764, 1785, 2039, 2142, 2205, 2380, 2499, 2940, 3060, 3332, 3570, 4078, 4165, 4284, 4410, 4998, 5355, 6117, 7140, 7497, 8156, 8330, 8820, 9996, 10195, 10710, 12234, 12495, 14273, 14994, 16660, 18351, 20390, 21420, 24468, 24990, 28546, 29988, 30585, 34663, 36702, 37485, 40780, 42819, 49980, 57092, 61170, 69326, 71365, 73404, 74970, 85638, 91755, 99911, 103989, 122340, 128457, 138652, 142730, 149940, 171276, 173315, 183510, 199822, 207978, 214095, 242641, 256914, 285460, 299733, 311967, 346630, 367020, 399644, 415956, 428190, 485282, 499555, 513828, 519945, 599466, 623934, 642285, 693260, 727923, 856380, 899199, 970564, 999110, 1039890, 1198932, 1213205, 1247868, 1284570, 1455846, 1498665, 1559835, 1698487, 1798398, 1998220, 2079780, 2183769, 2426410, 2569140, 2911692, 2997330, 3119670, 3396974, 3596796, 3639615, 4367538, 4495995, 4852820, 5095461, 5994660, 6239340, 6793948, 7279230, 8492435, 8735076, 8991990, 10190922, 10918845, 14558460, 15286383, 16984870, 17983980, 20381844, 21837690, 25477305, 30572766, 33969740, 43675380, 50954610, 61145532, 76431915, 101909220, 152863830, 305727660]

約数ペア:

[(1, 305727660), (2, 152863830), (3, 101909220), (4, 76431915), (5, 61145532), (6, 50954610), (7, 43675380), (9, 33969740), (10, 30572766), (12, 25477305), (14, 21837690), (15, 20381844), (17, 17983980), (18, 16984870), (20, 15286383), (21, 14558460), (28, 10918845), (30, 10190922), (34, 8991990), (35, 8735076), (36, 8492435), (42, 7279230), (45, 6793948), (49, 6239340), (51, 5994660), (60, 5095461), (63, 4852820), (68, 4495995), (70, 4367538), (84, 3639615), (85, 3596796), (90, 3396974), (98, 3119670), (102, 2997330), (105, 2911692), (119, 2569140), (126, 2426410), (140, 2183769), (147, 2079780), (153, 1998220), (170, 1798398), (180, 1698487), (196, 1559835), (204, 1498665), (210, 1455846), (238, 1284570), (245, 1247868), (252, 1213205), (255, 1198932), (294, 1039890), (306, 999110), (315, 970564), (340, 899199), (357, 856380), (420, 727923), (441, 693260), (476, 642285), (490, 623934), (510, 599466), (588, 519945), (595, 513828), (612, 499555), (630, 485282), (714, 428190), (735, 415956), (765, 399644), (833, 367020), (882, 346630), (980, 311967), (1020, 299733), (1071, 285460), (1190, 256914), (1260, 242641), (1428, 214095), (1470, 207978), (1530, 199822), (1666, 183510), (1764, 173315), (1785, 171276), (2039, 149940), (2142, 142730), (2205, 138652), (2380, 128457), (2499, 122340), (2940, 103989), (3060, 99911), (3332, 91755), (3570, 85638), (4078, 74970), (4165, 73404), (4284, 71365), (4410, 69326), (4998, 61170), (5355, 57092), (6117, 49980), (7140, 42819), (7497, 40780), (8156, 37485), (8330, 36702), (8820, 34663), (9996, 30585), (10195, 29988), (10710, 28546), (12234, 24990), (12495, 24468), (14273, 21420), (14994, 20390), (16660, 18351)]