157225240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 234685160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 71, 83, 92, 115, 116, 142, 145, 166, 184, 230, 232, 284, 290, 332, 355, 415, 460, 568, 580, 664, 667, 710, 830, 920, 1160, 1334, 1420, 1633, 1660, 1909, 2059, 2407, 2668, 2840, 3266, 3320, 3335, 3818, 4118, 4814, 5336, 5893, 6532, 6670, 7636, 8165, 8236, 9545, 9628, 10295, 11786, 12035, 13064, 13340, 15272, 16330, 16472, 19090, 19256, 20590, 23572, 24070, 26680, 29465, 32660, 38180, 41180, 47144, 47357, 48140, 55361, 58930, 65320, 76360, 82360, 94714, 96280, 110722, 117860, 135539, 170897, 189428, 221444, 235720, 236785, 271078, 276805, 341794, 378856, 442888, 473570, 542156, 553610, 677695, 683588, 854485, 947140, 1084312, 1107220, 1355390, 1367176, 1708970, 1894280, 2214440, 2710780, 3417940, 3930631, 5421560, 6835880, 7861262, 15722524, 19653155, 31445048, 39306310, 78612620, 157225240]

約数ペア:

[(1, 157225240), (2, 78612620), (4, 39306310), (5, 31445048), (8, 19653155), (10, 15722524), (20, 7861262), (23, 6835880), (29, 5421560), (40, 3930631), (46, 3417940), (58, 2710780), (71, 2214440), (83, 1894280), (92, 1708970), (115, 1367176), (116, 1355390), (142, 1107220), (145, 1084312), (166, 947140), (184, 854485), (230, 683588), (232, 677695), (284, 553610), (290, 542156), (332, 473570), (355, 442888), (415, 378856), (460, 341794), (568, 276805), (580, 271078), (664, 236785), (667, 235720), (710, 221444), (830, 189428), (920, 170897), (1160, 135539), (1334, 117860), (1420, 110722), (1633, 96280), (1660, 94714), (1909, 82360), (2059, 76360), (2407, 65320), (2668, 58930), (2840, 55361), (3266, 48140), (3320, 47357), (3335, 47144), (3818, 41180), (4118, 38180), (4814, 32660), (5336, 29465), (5893, 26680), (6532, 24070), (6670, 23572), (7636, 20590), (8165, 19256), (8236, 19090), (9545, 16472), (9628, 16330), (10295, 15272), (11786, 13340), (12035, 13064)]