101787880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 153679640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 43, 46, 62, 83, 86, 92, 115, 124, 155, 166, 172, 184, 215, 230, 248, 310, 332, 344, 415, 430, 460, 620, 664, 713, 830, 860, 920, 989, 1240, 1333, 1426, 1660, 1720, 1909, 1978, 2573, 2666, 2852, 3320, 3565, 3569, 3818, 3956, 4945, 5146, 5332, 5704, 6665, 7130, 7138, 7636, 7912, 9545, 9890, 10292, 10664, 12865, 13330, 14260, 14276, 15272, 17845, 19090, 19780, 20584, 25730, 26660, 28520, 28552, 30659, 35690, 38180, 39560, 51460, 53320, 59179, 61318, 71380, 76360, 82087, 102920, 110639, 118358, 122636, 142760, 153295, 164174, 221278, 236716, 245272, 295895, 306590, 328348, 410435, 442556, 473432, 553195, 591790, 613180, 656696, 820870, 885112, 1106390, 1183580, 1226360, 1641740, 2212780, 2367160, 2544697, 3283480, 4425560, 5089394, 10178788, 12723485, 20357576, 25446970, 50893940, 101787880]

約数ペア:

[(1, 101787880), (2, 50893940), (4, 25446970), (5, 20357576), (8, 12723485), (10, 10178788), (20, 5089394), (23, 4425560), (31, 3283480), (40, 2544697), (43, 2367160), (46, 2212780), (62, 1641740), (83, 1226360), (86, 1183580), (92, 1106390), (115, 885112), (124, 820870), (155, 656696), (166, 613180), (172, 591790), (184, 553195), (215, 473432), (230, 442556), (248, 410435), (310, 328348), (332, 306590), (344, 295895), (415, 245272), (430, 236716), (460, 221278), (620, 164174), (664, 153295), (713, 142760), (830, 122636), (860, 118358), (920, 110639), (989, 102920), (1240, 82087), (1333, 76360), (1426, 71380), (1660, 61318), (1720, 59179), (1909, 53320), (1978, 51460), (2573, 39560), (2666, 38180), (2852, 35690), (3320, 30659), (3565, 28552), (3569, 28520), (3818, 26660), (3956, 25730), (4945, 20584), (5146, 19780), (5332, 19090), (5704, 17845), (6665, 15272), (7130, 14276), (7138, 14260), (7636, 13330), (7912, 12865), (9545, 10664), (9890, 10292)]