647664240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 160

約数和(自身を含む): 2082723840

約数和(自身を除く): 1435059600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 59, 60, 80, 106, 118, 120, 159, 177, 212, 236, 240, 265, 295, 318, 354, 424, 472, 530, 590, 636, 708, 795, 848, 863, 885, 944, 1060, 1180, 1272, 1416, 1590, 1726, 1770, 2120, 2360, 2544, 2589, 2832, 3127, 3180, 3452, 3540, 4240, 4315, 4720, 5178, 6254, 6360, 6904, 7080, 8630, 9381, 10356, 12508, 12720, 12945, 13808, 14160, 15635, 17260, 18762, 20712, 25016, 25890, 31270, 34520, 37524, 41424, 45739, 46905, 50032, 50917, 51780, 62540, 69040, 75048, 91478, 93810, 101834, 103560, 125080, 137217, 150096, 152751, 182956, 187620, 203668, 207120, 228695, 250160, 254585, 274434, 305502, 365912, 375240, 407336, 457390, 509170, 548868, 611004, 686085, 731824, 750480, 763755, 814672, 914780, 1018340, 1097736, 1222008, 1372170, 1527510, 1829560, 2036680, 2195472, 2444016, 2698601, 2744340, 3055020, 3659120, 4073360, 5397202, 5488680, 6110040, 8095803, 10794404, 10977360, 12220080, 13493005, 16191606, 21588808, 26986010, 32383212, 40479015, 43177616, 53972020, 64766424, 80958030, 107944040, 129532848, 161916060, 215888080, 323832120, 647664240]

約数ペア:

[(1, 647664240), (2, 323832120), (3, 215888080), (4, 161916060), (5, 129532848), (6, 107944040), (8, 80958030), (10, 64766424), (12, 53972020), (15, 43177616), (16, 40479015), (20, 32383212), (24, 26986010), (30, 21588808), (40, 16191606), (48, 13493005), (53, 12220080), (59, 10977360), (60, 10794404), (80, 8095803), (106, 6110040), (118, 5488680), (120, 5397202), (159, 4073360), (177, 3659120), (212, 3055020), (236, 2744340), (240, 2698601), (265, 2444016), (295, 2195472), (318, 2036680), (354, 1829560), (424, 1527510), (472, 1372170), (530, 1222008), (590, 1097736), (636, 1018340), (708, 914780), (795, 814672), (848, 763755), (863, 750480), (885, 731824), (944, 686085), (1060, 611004), (1180, 548868), (1272, 509170), (1416, 457390), (1590, 407336), (1726, 375240), (1770, 365912), (2120, 305502), (2360, 274434), (2544, 254585), (2589, 250160), (2832, 228695), (3127, 207120), (3180, 203668), (3452, 187620), (3540, 182956), (4240, 152751), (4315, 150096), (4720, 137217), (5178, 125080), (6254, 103560), (6360, 101834), (6904, 93810), (7080, 91478), (8630, 75048), (9381, 69040), (10356, 62540), (12508, 51780), (12720, 50917), (12945, 50032), (13808, 46905), (14160, 45739), (15635, 41424), (17260, 37524), (18762, 34520), (20712, 31270), (25016, 25890)]