31878600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 109784640

約数和(自身を除く): 77906040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 61, 65, 67, 75, 78, 100, 104, 120, 122, 130, 134, 150, 156, 183, 195, 200, 201, 244, 260, 268, 300, 305, 312, 325, 335, 366, 390, 402, 488, 520, 536, 600, 610, 650, 670, 732, 780, 793, 804, 871, 915, 975, 1005, 1220, 1300, 1340, 1464, 1525, 1560, 1586, 1608, 1675, 1742, 1830, 1950, 2010, 2379, 2440, 2600, 2613, 2680, 3050, 3172, 3350, 3484, 3660, 3900, 3965, 4020, 4087, 4355, 4575, 4758, 5025, 5226, 6100, 6344, 6700, 6968, 7320, 7800, 7930, 8040, 8174, 8710, 9150, 9516, 10050, 10452, 11895, 12200, 12261, 13065, 13400, 15860, 16348, 17420, 18300, 19032, 19825, 20100, 20435, 20904, 21775, 23790, 24522, 26130, 31720, 32696, 34840, 36600, 39650, 40200, 40870, 43550, 47580, 49044, 52260, 53131, 59475, 61305, 65325, 79300, 81740, 87100, 95160, 98088, 102175, 104520, 106262, 118950, 122610, 130650, 158600, 159393, 163480, 174200, 204350, 212524, 237900, 245220, 261300, 265655, 306525, 318786, 408700, 425048, 475800, 490440, 522600, 531310, 613050, 637572, 796965, 817400, 1062620, 1226100, 1275144, 1328275, 1593930, 2125240, 2452200, 2656550, 3187860, 3984825, 5313100, 6375720, 7969650, 10626200, 15939300, 31878600]

約数ペア:

[(1, 31878600), (2, 15939300), (3, 10626200), (4, 7969650), (5, 6375720), (6, 5313100), (8, 3984825), (10, 3187860), (12, 2656550), (13, 2452200), (15, 2125240), (20, 1593930), (24, 1328275), (25, 1275144), (26, 1226100), (30, 1062620), (39, 817400), (40, 796965), (50, 637572), (52, 613050), (60, 531310), (61, 522600), (65, 490440), (67, 475800), (75, 425048), (78, 408700), (100, 318786), (104, 306525), (120, 265655), (122, 261300), (130, 245220), (134, 237900), (150, 212524), (156, 204350), (183, 174200), (195, 163480), (200, 159393), (201, 158600), (244, 130650), (260, 122610), (268, 118950), (300, 106262), (305, 104520), (312, 102175), (325, 98088), (335, 95160), (366, 87100), (390, 81740), (402, 79300), (488, 65325), (520, 61305), (536, 59475), (600, 53131), (610, 52260), (650, 49044), (670, 47580), (732, 43550), (780, 40870), (793, 40200), (804, 39650), (871, 36600), (915, 34840), (975, 32696), (1005, 31720), (1220, 26130), (1300, 24522), (1340, 23790), (1464, 21775), (1525, 20904), (1560, 20435), (1586, 20100), (1608, 19825), (1675, 19032), (1742, 18300), (1830, 17420), (1950, 16348), (2010, 15860), (2379, 13400), (2440, 13065), (2600, 12261), (2613, 12200), (2680, 11895), (3050, 10452), (3172, 10050), (3350, 9516), (3484, 9150), (3660, 8710), (3900, 8174), (3965, 8040), (4020, 7930), (4087, 7800), (4355, 7320), (4575, 6968), (4758, 6700), (5025, 6344), (5226, 6100)]