240661680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4675

約数の個数: 160

約数和(自身を含む): 880324608

約数和(自身を除く): 639662928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 4621, 5208, 6510, 7440, 8680, 9242, 10416, 13020, 13863, 17360, 18484, 23105, 26040, 27726, 32347, 36968, 46210, 52080, 55452, 64694, 69315, 73936, 92420, 97041, 110904, 129388, 138630, 143251, 161735, 184840, 194082, 221808, 258776, 277260, 286502, 323470, 369680, 388164, 429753, 485205, 517552, 554520, 573004, 646940, 716255, 776328, 859506, 970410, 1002757, 1109040, 1146008, 1293880, 1432510, 1552656, 1719012, 1940820, 2005514, 2148765, 2292016, 2587760, 2865020, 3008271, 3438024, 3881640, 4011028, 4297530, 5013785, 5730040, 6016542, 6876048, 7763280, 8022056, 8595060, 10027570, 11460080, 12033084, 15041355, 16044112, 17190120, 20055140, 24066168, 30082710, 34380240, 40110280, 48132336, 60165420, 80220560, 120330840, 240661680]

約数ペア:

[(1, 240661680), (2, 120330840), (3, 80220560), (4, 60165420), (5, 48132336), (6, 40110280), (7, 34380240), (8, 30082710), (10, 24066168), (12, 20055140), (14, 17190120), (15, 16044112), (16, 15041355), (20, 12033084), (21, 11460080), (24, 10027570), (28, 8595060), (30, 8022056), (31, 7763280), (35, 6876048), (40, 6016542), (42, 5730040), (48, 5013785), (56, 4297530), (60, 4011028), (62, 3881640), (70, 3438024), (80, 3008271), (84, 2865020), (93, 2587760), (105, 2292016), (112, 2148765), (120, 2005514), (124, 1940820), (140, 1719012), (155, 1552656), (168, 1432510), (186, 1293880), (210, 1146008), (217, 1109040), (240, 1002757), (248, 970410), (280, 859506), (310, 776328), (336, 716255), (372, 646940), (420, 573004), (434, 554520), (465, 517552), (496, 485205), (560, 429753), (620, 388164), (651, 369680), (744, 323470), (840, 286502), (868, 277260), (930, 258776), (1085, 221808), (1240, 194082), (1302, 184840), (1488, 161735), (1680, 143251), (1736, 138630), (1860, 129388), (2170, 110904), (2480, 97041), (2604, 92420), (3255, 73936), (3472, 69315), (3720, 64694), (4340, 55452), (4621, 52080), (5208, 46210), (6510, 36968), (7440, 32347), (8680, 27726), (9242, 26040), (10416, 23105), (13020, 18484), (13863, 17360)]