865130640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^3$

素因数の和:131

約数の個数: 240

約数和(自身を含む): 3046138368

約数和(自身を除く): 2181007728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 121, 124, 132, 155, 165, 176, 186, 220, 240, 242, 248, 264, 310, 330, 341, 363, 372, 440, 465, 484, 496, 528, 605, 620, 660, 682, 726, 744, 880, 930, 961, 968, 1023, 1210, 1240, 1320, 1364, 1452, 1488, 1705, 1815, 1860, 1922, 1936, 2046, 2420, 2480, 2640, 2728, 2883, 2904, 3410, 3630, 3720, 3751, 3844, 4092, 4805, 4840, 5115, 5456, 5766, 5808, 6820, 7260, 7440, 7502, 7688, 8184, 9610, 9680, 10230, 10571, 11253, 11532, 13640, 14415, 14520, 15004, 15376, 16368, 18755, 19220, 20460, 21142, 22506, 23064, 27280, 28830, 29040, 29791, 30008, 31713, 37510, 38440, 40920, 42284, 45012, 46128, 52855, 56265, 57660, 59582, 60016, 63426, 75020, 76880, 81840, 84568, 89373, 90024, 105710, 112530, 115320, 116281, 119164, 126852, 148955, 150040, 158565, 169136, 178746, 180048, 211420, 225060, 230640, 232562, 238328, 253704, 297910, 300080, 317130, 327701, 348843, 357492, 422840, 446865, 450120, 465124, 476656, 507408, 581405, 595820, 634260, 655402, 697686, 714984, 845680, 893730, 900240, 930248, 983103, 1162810, 1191640, 1268520, 1310804, 1395372, 1429968, 1638505, 1744215, 1787460, 1860496, 1966206, 2325620, 2383280, 2537040, 2621608, 2790744, 3277010, 3488430, 3574920, 3604711, 3932412, 4651240, 4915515, 5243216, 5581488, 6554020, 6976860, 7149840, 7209422, 7864824, 9302480, 9831030, 10814133, 13108040, 13953720, 14418844, 15729648, 18023555, 19662060, 21628266, 26216080, 27907440, 28837688, 36047110, 39324120, 43256532, 54070665, 57675376, 72094220, 78648240, 86513064, 108141330, 144188440, 173026128, 216282660, 288376880, 432565320, 865130640]

約数ペア:

[(1, 865130640), (2, 432565320), (3, 288376880), (4, 216282660), (5, 173026128), (6, 144188440), (8, 108141330), (10, 86513064), (11, 78648240), (12, 72094220), (15, 57675376), (16, 54070665), (20, 43256532), (22, 39324120), (24, 36047110), (30, 28837688), (31, 27907440), (33, 26216080), (40, 21628266), (44, 19662060), (48, 18023555), (55, 15729648), (60, 14418844), (62, 13953720), (66, 13108040), (80, 10814133), (88, 9831030), (93, 9302480), (110, 7864824), (120, 7209422), (121, 7149840), (124, 6976860), (132, 6554020), (155, 5581488), (165, 5243216), (176, 4915515), (186, 4651240), (220, 3932412), (240, 3604711), (242, 3574920), (248, 3488430), (264, 3277010), (310, 2790744), (330, 2621608), (341, 2537040), (363, 2383280), (372, 2325620), (440, 1966206), (465, 1860496), (484, 1787460), (496, 1744215), (528, 1638505), (605, 1429968), (620, 1395372), (660, 1310804), (682, 1268520), (726, 1191640), (744, 1162810), (880, 983103), (930, 930248), (961, 900240), (968, 893730), (1023, 845680), (1210, 714984), (1240, 697686), (1320, 655402), (1364, 634260), (1452, 595820), (1488, 581405), (1705, 507408), (1815, 476656), (1860, 465124), (1922, 450120), (1936, 446865), (2046, 422840), (2420, 357492), (2480, 348843), (2640, 327701), (2728, 317130), (2883, 300080), (2904, 297910), (3410, 253704), (3630, 238328), (3720, 232562), (3751, 230640), (3844, 225060), (4092, 211420), (4805, 180048), (4840, 178746), (5115, 169136), (5456, 158565), (5766, 150040), (5808, 148955), (6820, 126852), (7260, 119164), (7440, 116281), (7502, 115320), (7688, 112530), (8184, 105710), (9610, 90024), (9680, 89373), (10230, 84568), (10571, 81840), (11253, 76880), (11532, 75020), (13640, 63426), (14415, 60016), (14520, 59582), (15004, 57660), (15376, 56265), (16368, 52855), (18755, 46128), (19220, 45012), (20460, 42284), (21142, 40920), (22506, 38440), (23064, 37510), (27280, 31713), (28830, 30008), (29040, 29791)]