15502480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 45711360

約数和(自身を除く): 30208880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 47, 56, 62, 70, 76, 80, 94, 95, 112, 124, 133, 140, 152, 155, 188, 190, 217, 235, 248, 266, 280, 304, 310, 329, 376, 380, 434, 470, 496, 532, 560, 589, 620, 658, 665, 752, 760, 868, 893, 940, 1064, 1085, 1178, 1240, 1316, 1330, 1457, 1520, 1645, 1736, 1786, 1880, 2128, 2170, 2356, 2480, 2632, 2660, 2914, 2945, 3290, 3472, 3572, 3760, 4123, 4340, 4465, 4712, 5264, 5320, 5828, 5890, 6251, 6580, 7144, 7285, 8246, 8680, 8930, 9424, 10199, 10640, 11656, 11780, 12502, 13160, 14288, 14570, 16492, 17360, 17860, 20398, 20615, 23312, 23560, 25004, 26320, 27683, 29140, 31255, 32984, 35720, 40796, 41230, 47120, 50008, 50995, 55366, 58280, 62510, 65968, 71440, 81592, 82460, 100016, 101990, 110732, 116560, 125020, 138415, 163184, 164920, 193781, 203980, 221464, 250040, 276830, 329840, 387562, 407960, 442928, 500080, 553660, 775124, 815920, 968905, 1107320, 1550248, 1937810, 2214640, 3100496, 3875620, 7751240, 15502480]

約数ペア:

[(1, 15502480), (2, 7751240), (4, 3875620), (5, 3100496), (7, 2214640), (8, 1937810), (10, 1550248), (14, 1107320), (16, 968905), (19, 815920), (20, 775124), (28, 553660), (31, 500080), (35, 442928), (38, 407960), (40, 387562), (47, 329840), (56, 276830), (62, 250040), (70, 221464), (76, 203980), (80, 193781), (94, 164920), (95, 163184), (112, 138415), (124, 125020), (133, 116560), (140, 110732), (152, 101990), (155, 100016), (188, 82460), (190, 81592), (217, 71440), (235, 65968), (248, 62510), (266, 58280), (280, 55366), (304, 50995), (310, 50008), (329, 47120), (376, 41230), (380, 40796), (434, 35720), (470, 32984), (496, 31255), (532, 29140), (560, 27683), (589, 26320), (620, 25004), (658, 23560), (665, 23312), (752, 20615), (760, 20398), (868, 17860), (893, 17360), (940, 16492), (1064, 14570), (1085, 14288), (1178, 13160), (1240, 12502), (1316, 11780), (1330, 11656), (1457, 10640), (1520, 10199), (1645, 9424), (1736, 8930), (1786, 8680), (1880, 8246), (2128, 7285), (2170, 7144), (2356, 6580), (2480, 6251), (2632, 5890), (2660, 5828), (2914, 5320), (2945, 5264), (3290, 4712), (3472, 4465), (3572, 4340), (3760, 4123)]