645778080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23603}}^1$

素因数の和:23643

約数の個数: 144

約数和(自身を含む): 2319801120

約数和(自身を除く): 1674023040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 13680, 23603, 27360, 47206, 70809, 94412, 118015, 141618, 188824, 212427, 236030, 283236, 354045, 377648, 424854, 448457, 472060, 566472, 708090, 755296, 849708, 896914, 944120, 1062135, 1132944, 1345371, 1416180, 1699416, 1793828, 1888240, 2124270, 2242285, 2265888, 2690742, 2832360, 3398832, 3587656, 3776480, 4036113, 4248540, 4484570, 5381484, 5664720, 6726855, 6797664, 7175312, 8072226, 8497080, 8969140, 10762968, 11329440, 13453710, 14350624, 16144452, 16994160, 17938280, 20180565, 21525936, 26907420, 32288904, 33988320, 35876560, 40361130, 43051872, 53814840, 64577808, 71753120, 80722260, 107629680, 129155616, 161444520, 215259360, 322889040, 645778080]

約数ペア:

[(1, 645778080), (2, 322889040), (3, 215259360), (4, 161444520), (5, 129155616), (6, 107629680), (8, 80722260), (9, 71753120), (10, 64577808), (12, 53814840), (15, 43051872), (16, 40361130), (18, 35876560), (19, 33988320), (20, 32288904), (24, 26907420), (30, 21525936), (32, 20180565), (36, 17938280), (38, 16994160), (40, 16144452), (45, 14350624), (48, 13453710), (57, 11329440), (60, 10762968), (72, 8969140), (76, 8497080), (80, 8072226), (90, 7175312), (95, 6797664), (96, 6726855), (114, 5664720), (120, 5381484), (144, 4484570), (152, 4248540), (160, 4036113), (171, 3776480), (180, 3587656), (190, 3398832), (228, 2832360), (240, 2690742), (285, 2265888), (288, 2242285), (304, 2124270), (342, 1888240), (360, 1793828), (380, 1699416), (456, 1416180), (480, 1345371), (570, 1132944), (608, 1062135), (684, 944120), (720, 896914), (760, 849708), (855, 755296), (912, 708090), (1140, 566472), (1368, 472060), (1440, 448457), (1520, 424854), (1710, 377648), (1824, 354045), (2280, 283236), (2736, 236030), (3040, 212427), (3420, 188824), (4560, 141618), (5472, 118015), (6840, 94412), (9120, 70809), (13680, 47206), (23603, 27360)]