123282640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 160

約数和(自身を含む): 344977920

約数和(自身を除く): 221695280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 170, 190, 208, 221, 247, 260, 272, 304, 323, 340, 367, 380, 442, 494, 520, 646, 680, 734, 760, 884, 988, 1040, 1105, 1235, 1292, 1360, 1468, 1520, 1615, 1768, 1835, 1976, 2210, 2470, 2584, 2936, 3230, 3536, 3670, 3952, 4199, 4420, 4771, 4940, 5168, 5872, 6239, 6460, 6973, 7340, 8398, 8840, 9542, 9880, 12478, 12920, 13946, 14680, 16796, 17680, 19084, 19760, 20995, 23855, 24956, 25840, 27892, 29360, 31195, 33592, 34865, 38168, 41990, 47710, 49912, 55784, 62390, 67184, 69730, 76336, 81107, 83980, 90649, 95420, 99824, 111568, 118541, 124780, 139460, 162214, 167960, 181298, 190840, 237082, 249560, 278920, 324428, 335920, 362596, 381680, 405535, 453245, 474164, 499120, 557840, 592705, 648856, 725192, 811070, 906490, 948328, 1185410, 1297712, 1450384, 1541033, 1622140, 1812980, 1896656, 2370820, 3082066, 3244280, 3625960, 4741640, 6164132, 6488560, 7251920, 7705165, 9483280, 12328264, 15410330, 24656528, 30820660, 61641320, 123282640]

約数ペア:

[(1, 123282640), (2, 61641320), (4, 30820660), (5, 24656528), (8, 15410330), (10, 12328264), (13, 9483280), (16, 7705165), (17, 7251920), (19, 6488560), (20, 6164132), (26, 4741640), (34, 3625960), (38, 3244280), (40, 3082066), (52, 2370820), (65, 1896656), (68, 1812980), (76, 1622140), (80, 1541033), (85, 1450384), (95, 1297712), (104, 1185410), (130, 948328), (136, 906490), (152, 811070), (170, 725192), (190, 648856), (208, 592705), (221, 557840), (247, 499120), (260, 474164), (272, 453245), (304, 405535), (323, 381680), (340, 362596), (367, 335920), (380, 324428), (442, 278920), (494, 249560), (520, 237082), (646, 190840), (680, 181298), (734, 167960), (760, 162214), (884, 139460), (988, 124780), (1040, 118541), (1105, 111568), (1235, 99824), (1292, 95420), (1360, 90649), (1468, 83980), (1520, 81107), (1615, 76336), (1768, 69730), (1835, 67184), (1976, 62390), (2210, 55784), (2470, 49912), (2584, 47710), (2936, 41990), (3230, 38168), (3536, 34865), (3670, 33592), (3952, 31195), (4199, 29360), (4420, 27892), (4771, 25840), (4940, 24956), (5168, 23855), (5872, 20995), (6239, 19760), (6460, 19084), (6973, 17680), (7340, 16796), (8398, 14680), (8840, 13946), (9542, 12920), (9880, 12478)]