31679550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 99234720

約数和(自身を除く): 67555170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 89, 90, 105, 113, 126, 150, 175, 178, 210, 225, 226, 267, 315, 339, 350, 445, 450, 525, 534, 565, 623, 630, 678, 791, 801, 890, 1017, 1050, 1130, 1246, 1335, 1575, 1582, 1602, 1695, 1869, 2034, 2225, 2373, 2670, 2825, 3115, 3150, 3390, 3738, 3955, 4005, 4450, 4746, 5085, 5607, 5650, 6230, 6675, 7119, 7910, 8010, 8475, 9345, 10057, 10170, 11214, 11865, 13350, 14238, 15575, 16950, 18690, 19775, 20025, 20114, 23730, 25425, 28035, 30171, 31150, 35595, 39550, 40050, 46725, 50285, 50850, 56070, 59325, 60342, 70399, 71190, 90513, 93450, 100570, 118650, 140175, 140798, 150855, 177975, 181026, 211197, 251425, 280350, 301710, 351995, 355950, 422394, 452565, 502850, 633591, 703990, 754275, 905130, 1055985, 1267182, 1508550, 1759975, 2111970, 2262825, 3167955, 3519950, 4525650, 5279925, 6335910, 10559850, 15839775, 31679550]

約数ペア:

[(1, 31679550), (2, 15839775), (3, 10559850), (5, 6335910), (6, 5279925), (7, 4525650), (9, 3519950), (10, 3167955), (14, 2262825), (15, 2111970), (18, 1759975), (21, 1508550), (25, 1267182), (30, 1055985), (35, 905130), (42, 754275), (45, 703990), (50, 633591), (63, 502850), (70, 452565), (75, 422394), (89, 355950), (90, 351995), (105, 301710), (113, 280350), (126, 251425), (150, 211197), (175, 181026), (178, 177975), (210, 150855), (225, 140798), (226, 140175), (267, 118650), (315, 100570), (339, 93450), (350, 90513), (445, 71190), (450, 70399), (525, 60342), (534, 59325), (565, 56070), (623, 50850), (630, 50285), (678, 46725), (791, 40050), (801, 39550), (890, 35595), (1017, 31150), (1050, 30171), (1130, 28035), (1246, 25425), (1335, 23730), (1575, 20114), (1582, 20025), (1602, 19775), (1695, 18690), (1869, 16950), (2034, 15575), (2225, 14238), (2373, 13350), (2670, 11865), (2825, 11214), (3115, 10170), (3150, 10057), (3390, 9345), (3738, 8475), (3955, 8010), (4005, 7910), (4450, 7119), (4746, 6675), (5085, 6230), (5607, 5650)]