201025980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:920

約数の個数: 144

約数和(自身を含む): 647861760

約数和(自身を除く): 446835780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 90, 92, 115, 118, 138, 177, 180, 207, 230, 236, 276, 295, 345, 354, 414, 460, 531, 590, 690, 708, 823, 828, 885, 1035, 1062, 1180, 1357, 1380, 1646, 1770, 2070, 2124, 2469, 2655, 2714, 3292, 3540, 4071, 4115, 4140, 4938, 5310, 5428, 6785, 7407, 8142, 8230, 9876, 10620, 12213, 12345, 13570, 14814, 16284, 16460, 18929, 20355, 24426, 24690, 27140, 29628, 37035, 37858, 40710, 48557, 48852, 49380, 56787, 61065, 74070, 75716, 81420, 94645, 97114, 113574, 122130, 145671, 148140, 170361, 189290, 194228, 227148, 242785, 244260, 283935, 291342, 340722, 378580, 437013, 485570, 567870, 582684, 681444, 728355, 851805, 874026, 971140, 1116811, 1135740, 1456710, 1703610, 1748052, 2185065, 2233622, 2913420, 3350433, 3407220, 4370130, 4467244, 5584055, 6700866, 8740260, 10051299, 11168110, 13401732, 16752165, 20102598, 22336220, 33504330, 40205196, 50256495, 67008660, 100512990, 201025980]

約数ペア:

[(1, 201025980), (2, 100512990), (3, 67008660), (4, 50256495), (5, 40205196), (6, 33504330), (9, 22336220), (10, 20102598), (12, 16752165), (15, 13401732), (18, 11168110), (20, 10051299), (23, 8740260), (30, 6700866), (36, 5584055), (45, 4467244), (46, 4370130), (59, 3407220), (60, 3350433), (69, 2913420), (90, 2233622), (92, 2185065), (115, 1748052), (118, 1703610), (138, 1456710), (177, 1135740), (180, 1116811), (207, 971140), (230, 874026), (236, 851805), (276, 728355), (295, 681444), (345, 582684), (354, 567870), (414, 485570), (460, 437013), (531, 378580), (590, 340722), (690, 291342), (708, 283935), (823, 244260), (828, 242785), (885, 227148), (1035, 194228), (1062, 189290), (1180, 170361), (1357, 148140), (1380, 145671), (1646, 122130), (1770, 113574), (2070, 97114), (2124, 94645), (2469, 81420), (2655, 75716), (2714, 74070), (3292, 61065), (3540, 56787), (4071, 49380), (4115, 48852), (4140, 48557), (4938, 40710), (5310, 37858), (5428, 37035), (6785, 29628), (7407, 27140), (8142, 24690), (8230, 24426), (9876, 20355), (10620, 18929), (12213, 16460), (12345, 16284), (13570, 14814)]