7983990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 192

約数和(自身を含む): 26956800

約数和(自身を除く): 18972810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 23, 29, 30, 35, 38, 42, 45, 46, 57, 58, 63, 69, 70, 87, 90, 95, 105, 114, 115, 126, 133, 138, 145, 161, 171, 174, 190, 203, 207, 210, 230, 261, 266, 285, 290, 315, 322, 342, 345, 399, 406, 414, 435, 437, 483, 522, 551, 570, 609, 630, 665, 667, 690, 798, 805, 855, 870, 874, 966, 1015, 1035, 1102, 1197, 1218, 1305, 1311, 1330, 1334, 1449, 1610, 1653, 1710, 1827, 1995, 2001, 2030, 2070, 2185, 2394, 2415, 2610, 2622, 2755, 2898, 3045, 3059, 3306, 3335, 3654, 3857, 3933, 3990, 4002, 4370, 4669, 4830, 4959, 5510, 5985, 6003, 6090, 6118, 6555, 6670, 7245, 7714, 7866, 8265, 9135, 9177, 9338, 9918, 10005, 11571, 11970, 12006, 12673, 13110, 14007, 14490, 15295, 16530, 18270, 18354, 19285, 19665, 20010, 23142, 23345, 24795, 25346, 27531, 28014, 30015, 30590, 34713, 38019, 38570, 39330, 42021, 45885, 46690, 49590, 55062, 57855, 60030, 63365, 69426, 70035, 76038, 84042, 88711, 91770, 114057, 115710, 126730, 137655, 140070, 173565, 177422, 190095, 210105, 228114, 266133, 275310, 347130, 380190, 420210, 443555, 532266, 570285, 798399, 887110, 1140570, 1330665, 1596798, 2661330, 3991995, 7983990]

約数ペア:

[(1, 7983990), (2, 3991995), (3, 2661330), (5, 1596798), (6, 1330665), (7, 1140570), (9, 887110), (10, 798399), (14, 570285), (15, 532266), (18, 443555), (19, 420210), (21, 380190), (23, 347130), (29, 275310), (30, 266133), (35, 228114), (38, 210105), (42, 190095), (45, 177422), (46, 173565), (57, 140070), (58, 137655), (63, 126730), (69, 115710), (70, 114057), (87, 91770), (90, 88711), (95, 84042), (105, 76038), (114, 70035), (115, 69426), (126, 63365), (133, 60030), (138, 57855), (145, 55062), (161, 49590), (171, 46690), (174, 45885), (190, 42021), (203, 39330), (207, 38570), (210, 38019), (230, 34713), (261, 30590), (266, 30015), (285, 28014), (290, 27531), (315, 25346), (322, 24795), (342, 23345), (345, 23142), (399, 20010), (406, 19665), (414, 19285), (435, 18354), (437, 18270), (483, 16530), (522, 15295), (551, 14490), (570, 14007), (609, 13110), (630, 12673), (665, 12006), (667, 11970), (690, 11571), (798, 10005), (805, 9918), (855, 9338), (870, 9177), (874, 9135), (966, 8265), (1015, 7866), (1035, 7714), (1102, 7245), (1197, 6670), (1218, 6555), (1305, 6118), (1311, 6090), (1330, 6003), (1334, 5985), (1449, 5510), (1610, 4959), (1653, 4830), (1710, 4669), (1827, 4370), (1995, 4002), (2001, 3990), (2030, 3933), (2070, 3857), (2185, 3654), (2394, 3335), (2415, 3306), (2610, 3059), (2622, 3045), (2755, 2898)]