989520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 160

約数和(自身を含む): 3809280

約数和(自身を除く): 2819760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 48, 56, 57, 60, 62, 70, 76, 80, 84, 93, 95, 105, 112, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 240, 248, 266, 280, 285, 304, 310, 336, 372, 380, 399, 420, 434, 456, 465, 496, 532, 560, 570, 589, 620, 651, 665, 744, 760, 798, 840, 868, 912, 930, 1064, 1085, 1140, 1178, 1240, 1302, 1330, 1488, 1520, 1596, 1680, 1736, 1767, 1860, 1995, 2128, 2170, 2280, 2356, 2480, 2604, 2660, 2945, 3192, 3255, 3472, 3534, 3720, 3990, 4123, 4340, 4560, 4712, 5208, 5320, 5890, 6384, 6510, 7068, 7440, 7980, 8246, 8680, 8835, 9424, 10416, 10640, 11780, 12369, 13020, 14136, 15960, 16492, 17360, 17670, 20615, 23560, 24738, 26040, 28272, 31920, 32984, 35340, 41230, 47120, 49476, 52080, 61845, 65968, 70680, 82460, 98952, 123690, 141360, 164920, 197904, 247380, 329840, 494760, 989520]

約数ペア:

[(1, 989520), (2, 494760), (3, 329840), (4, 247380), (5, 197904), (6, 164920), (7, 141360), (8, 123690), (10, 98952), (12, 82460), (14, 70680), (15, 65968), (16, 61845), (19, 52080), (20, 49476), (21, 47120), (24, 41230), (28, 35340), (30, 32984), (31, 31920), (35, 28272), (38, 26040), (40, 24738), (42, 23560), (48, 20615), (56, 17670), (57, 17360), (60, 16492), (62, 15960), (70, 14136), (76, 13020), (80, 12369), (84, 11780), (93, 10640), (95, 10416), (105, 9424), (112, 8835), (114, 8680), (120, 8246), (124, 7980), (133, 7440), (140, 7068), (152, 6510), (155, 6384), (168, 5890), (186, 5320), (190, 5208), (210, 4712), (217, 4560), (228, 4340), (240, 4123), (248, 3990), (266, 3720), (280, 3534), (285, 3472), (304, 3255), (310, 3192), (336, 2945), (372, 2660), (380, 2604), (399, 2480), (420, 2356), (434, 2280), (456, 2170), (465, 2128), (496, 1995), (532, 1860), (560, 1767), (570, 1736), (589, 1680), (620, 1596), (651, 1520), (665, 1488), (744, 1330), (760, 1302), (798, 1240), (840, 1178), (868, 1140), (912, 1085), (930, 1064)]