157039220920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1\times {\mathrm{839}}^1$

素因数の和:1709

約数の個数: 128

約数和(自身を含む): 367176499200

約数和(自身を除く): 210137278280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 542, 557, 620, 839, 1084, 1114, 1240, 1355, 1678, 2168, 2228, 2710, 2785, 3356, 4195, 4456, 5420, 5570, 6712, 8390, 8401, 10840, 11140, 16780, 16802, 17267, 22280, 26009, 33560, 33604, 34534, 42005, 52018, 67208, 69068, 84010, 86335, 104036, 130045, 138136, 150947, 168020, 172670, 208072, 227369, 260090, 301894, 336040, 345340, 454738, 467323, 520180, 603788, 690680, 754735, 909476, 934646, 1040360, 1136845, 1207576, 1509470, 1818952, 1869292, 2273690, 2336615, 3018940, 3738584, 4547380, 4673230, 4679357, 6037880, 7048439, 9094760, 9346460, 9358714, 14096878, 14487013, 18692920, 18717428, 23396785, 28193756, 28974026, 35242195, 37434856, 46793570, 56387512, 57948052, 70484390, 72435065, 93587140, 115896104, 126644533, 140968780, 144870130, 187174280, 253289066, 281937560, 289740260, 506578132, 579480520, 633222665, 1013156264, 1266445330, 2532890660, 3925980523, 5065781320, 7851961046, 15703922092, 19629902615, 31407844184, 39259805230, 78519610460, 157039220920]

約数ペア:

[(1, 157039220920), (2, 78519610460), (4, 39259805230), (5, 31407844184), (8, 19629902615), (10, 15703922092), (20, 7851961046), (31, 5065781320), (40, 3925980523), (62, 2532890660), (124, 1266445330), (155, 1013156264), (248, 633222665), (271, 579480520), (310, 506578132), (542, 289740260), (557, 281937560), (620, 253289066), (839, 187174280), (1084, 144870130), (1114, 140968780), (1240, 126644533), (1355, 115896104), (1678, 93587140), (2168, 72435065), (2228, 70484390), (2710, 57948052), (2785, 56387512), (3356, 46793570), (4195, 37434856), (4456, 35242195), (5420, 28974026), (5570, 28193756), (6712, 23396785), (8390, 18717428), (8401, 18692920), (10840, 14487013), (11140, 14096878), (16780, 9358714), (16802, 9346460), (17267, 9094760), (22280, 7048439), (26009, 6037880), (33560, 4679357), (33604, 4673230), (34534, 4547380), (42005, 3738584), (52018, 3018940), (67208, 2336615), (69068, 2273690), (84010, 1869292), (86335, 1818952), (104036, 1509470), (130045, 1207576), (138136, 1136845), (150947, 1040360), (168020, 934646), (172670, 909476), (208072, 754735), (227369, 690680), (260090, 603788), (301894, 520180), (336040, 467323), (345340, 454738)]