1731660

素因数分解:

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

素因数の和:76

約数の個数: 144

約数和(自身を含む): 6128640

約数和(自身を除く): 4396980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 49, 57, 60, 62, 70, 76, 84, 93, 95, 98, 105, 114, 124, 133, 140, 147, 155, 186, 190, 196, 210, 217, 228, 245, 266, 285, 294, 310, 372, 380, 399, 420, 434, 465, 490, 532, 570, 588, 589, 620, 651, 665, 735, 798, 868, 930, 931, 980, 1085, 1140, 1178, 1302, 1330, 1470, 1519, 1596, 1767, 1860, 1862, 1995, 2170, 2356, 2604, 2660, 2793, 2940, 2945, 3038, 3255, 3534, 3724, 3990, 4123, 4340, 4557, 4655, 5586, 5890, 6076, 6510, 7068, 7595, 7980, 8246, 8835, 9114, 9310, 11172, 11780, 12369, 13020, 13965, 15190, 16492, 17670, 18228, 18620, 20615, 22785, 24738, 27930, 28861, 30380, 35340, 41230, 45570, 49476, 55860, 57722, 61845, 82460, 86583, 91140, 115444, 123690, 144305, 173166, 247380, 288610, 346332, 432915, 577220, 865830, 1731660]

約数ペア:

[(1, 1731660), (2, 865830), (3, 577220), (4, 432915), (5, 346332), (6, 288610), (7, 247380), (10, 173166), (12, 144305), (14, 123690), (15, 115444), (19, 91140), (20, 86583), (21, 82460), (28, 61845), (30, 57722), (31, 55860), (35, 49476), (38, 45570), (42, 41230), (49, 35340), (57, 30380), (60, 28861), (62, 27930), (70, 24738), (76, 22785), (84, 20615), (93, 18620), (95, 18228), (98, 17670), (105, 16492), (114, 15190), (124, 13965), (133, 13020), (140, 12369), (147, 11780), (155, 11172), (186, 9310), (190, 9114), (196, 8835), (210, 8246), (217, 7980), (228, 7595), (245, 7068), (266, 6510), (285, 6076), (294, 5890), (310, 5586), (372, 4655), (380, 4557), (399, 4340), (420, 4123), (434, 3990), (465, 3724), (490, 3534), (532, 3255), (570, 3038), (588, 2945), (589, 2940), (620, 2793), (651, 2660), (665, 2604), (735, 2356), (798, 2170), (868, 1995), (930, 1862), (931, 1860), (980, 1767), (1085, 1596), (1140, 1519), (1178, 1470), (1302, 1330)]