12355600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 33212160

約数和(自身を除く): 20856560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 79, 80, 85, 92, 100, 115, 136, 158, 170, 184, 200, 230, 272, 316, 340, 368, 391, 395, 400, 425, 460, 575, 632, 680, 782, 790, 850, 920, 1150, 1264, 1343, 1360, 1564, 1580, 1700, 1817, 1840, 1955, 1975, 2300, 2686, 3128, 3160, 3400, 3634, 3910, 3950, 4600, 5372, 6256, 6320, 6715, 6800, 7268, 7820, 7900, 9085, 9200, 9775, 10744, 13430, 14536, 15640, 15800, 18170, 19550, 21488, 26860, 29072, 30889, 31280, 31600, 33575, 36340, 39100, 45425, 53720, 61778, 67150, 72680, 78200, 90850, 107440, 123556, 134300, 145360, 154445, 156400, 181700, 247112, 268600, 308890, 363400, 494224, 537200, 617780, 726800, 772225, 1235560, 1544450, 2471120, 3088900, 6177800, 12355600]

約数ペア:

[(1, 12355600), (2, 6177800), (4, 3088900), (5, 2471120), (8, 1544450), (10, 1235560), (16, 772225), (17, 726800), (20, 617780), (23, 537200), (25, 494224), (34, 363400), (40, 308890), (46, 268600), (50, 247112), (68, 181700), (79, 156400), (80, 154445), (85, 145360), (92, 134300), (100, 123556), (115, 107440), (136, 90850), (158, 78200), (170, 72680), (184, 67150), (200, 61778), (230, 53720), (272, 45425), (316, 39100), (340, 36340), (368, 33575), (391, 31600), (395, 31280), (400, 30889), (425, 29072), (460, 26860), (575, 21488), (632, 19550), (680, 18170), (782, 15800), (790, 15640), (850, 14536), (920, 13430), (1150, 10744), (1264, 9775), (1343, 9200), (1360, 9085), (1564, 7900), (1580, 7820), (1700, 7268), (1817, 6800), (1840, 6715), (1955, 6320), (1975, 6256), (2300, 5372), (2686, 4600), (3128, 3950), (3160, 3910), (3400, 3634)]