1689480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:68

約数の個数: 144

約数和(自身を含む): 6240780

約数和(自身を除く): 4551300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 361, 380, 390, 456, 468, 494, 520, 570, 585, 684, 722, 741, 760, 780, 855, 936, 988, 1083, 1140, 1170, 1235, 1368, 1444, 1482, 1560, 1710, 1805, 1976, 2166, 2223, 2280, 2340, 2470, 2888, 2964, 3249, 3420, 3610, 3705, 4332, 4446, 4680, 4693, 4940, 5415, 5928, 6498, 6840, 7220, 7410, 8664, 8892, 9386, 9880, 10830, 11115, 12996, 14079, 14440, 14820, 16245, 17784, 18772, 21660, 22230, 23465, 25992, 28158, 29640, 32490, 37544, 42237, 43320, 44460, 46930, 56316, 64980, 70395, 84474, 88920, 93860, 112632, 129960, 140790, 168948, 187720, 211185, 281580, 337896, 422370, 563160, 844740, 1689480]

約数ペア:

[(1, 1689480), (2, 844740), (3, 563160), (4, 422370), (5, 337896), (6, 281580), (8, 211185), (9, 187720), (10, 168948), (12, 140790), (13, 129960), (15, 112632), (18, 93860), (19, 88920), (20, 84474), (24, 70395), (26, 64980), (30, 56316), (36, 46930), (38, 44460), (39, 43320), (40, 42237), (45, 37544), (52, 32490), (57, 29640), (60, 28158), (65, 25992), (72, 23465), (76, 22230), (78, 21660), (90, 18772), (95, 17784), (104, 16245), (114, 14820), (117, 14440), (120, 14079), (130, 12996), (152, 11115), (156, 10830), (171, 9880), (180, 9386), (190, 8892), (195, 8664), (228, 7410), (234, 7220), (247, 6840), (260, 6498), (285, 5928), (312, 5415), (342, 4940), (360, 4693), (361, 4680), (380, 4446), (390, 4332), (456, 3705), (468, 3610), (494, 3420), (520, 3249), (570, 2964), (585, 2888), (684, 2470), (722, 2340), (741, 2280), (760, 2223), (780, 2166), (855, 1976), (936, 1805), (988, 1710), (1083, 1560), (1140, 1482), (1170, 1444), (1235, 1368)]