74987820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 167174100

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, 307, 345, 354, 414, 460, 531, 590, 614, 690, 708, 828, 885, 921, 1035, 1062, 1180, 1228, 1357, 1380, 1535, 1770, 1842, 2070, 2124, 2655, 2714, 2763, 3070, 3540, 3684, 4071, 4140, 4605, 5310, 5428, 5526, 6140, 6785, 7061, 8142, 9210, 10620, 11052, 12213, 13570, 13815, 14122, 16284, 18113, 18420, 20355, 21183, 24426, 27140, 27630, 28244, 35305, 36226, 40710, 42366, 48852, 54339, 55260, 61065, 63549, 70610, 72452, 81420, 84732, 90565, 105915, 108678, 122130, 127098, 141220, 163017, 181130, 211830, 217356, 244260, 254196, 271695, 317745, 326034, 362260, 416599, 423660, 543390, 635490, 652068, 815085, 833198, 1086780, 1249797, 1270980, 1630170, 1666396, 2082995, 2499594, 3260340, 3749391, 4165990, 4999188, 6248985, 7498782, 8331980, 12497970, 14997564, 18746955, 24995940, 37493910, 74987820]

約数ペア:

[(1, 74987820), (2, 37493910), (3, 24995940), (4, 18746955), (5, 14997564), (6, 12497970), (9, 8331980), (10, 7498782), (12, 6248985), (15, 4999188), (18, 4165990), (20, 3749391), (23, 3260340), (30, 2499594), (36, 2082995), (45, 1666396), (46, 1630170), (59, 1270980), (60, 1249797), (69, 1086780), (90, 833198), (92, 815085), (115, 652068), (118, 635490), (138, 543390), (177, 423660), (180, 416599), (207, 362260), (230, 326034), (236, 317745), (276, 271695), (295, 254196), (307, 244260), (345, 217356), (354, 211830), (414, 181130), (460, 163017), (531, 141220), (590, 127098), (614, 122130), (690, 108678), (708, 105915), (828, 90565), (885, 84732), (921, 81420), (1035, 72452), (1062, 70610), (1180, 63549), (1228, 61065), (1357, 55260), (1380, 54339), (1535, 48852), (1770, 42366), (1842, 40710), (2070, 36226), (2124, 35305), (2655, 28244), (2714, 27630), (2763, 27140), (3070, 24426), (3540, 21183), (3684, 20355), (4071, 18420), (4140, 18113), (4605, 16284), (5310, 14122), (5428, 13815), (5526, 13570), (6140, 12213), (6785, 11052), (7061, 10620), (8142, 9210)]