641906640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15641}}^1$

素因数の和:15682

約数の個数: 160

約数和(自身を含む): 2327529600

約数和(自身を除く): 1685622960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 15641, 20520, 31282, 41040, 46923, 62564, 78205, 93846, 125128, 140769, 156410, 187692, 234615, 250256, 281538, 297179, 312820, 375384, 422307, 469230, 563076, 594358, 625640, 703845, 750768, 844614, 891537, 938460, 1126152, 1188716, 1251280, 1407690, 1485895, 1689228, 1783074, 1876920, 2111535, 2252304, 2377432, 2674611, 2815380, 2971790, 3378456, 3566148, 3753840, 4223070, 4457685, 4754864, 5349222, 5630760, 5943580, 6756912, 7132296, 8023833, 8446140, 8915370, 10698444, 11261520, 11887160, 13373055, 14264592, 16047666, 16892280, 17830740, 21396888, 23774320, 26746110, 32095332, 33784560, 35661480, 40119165, 42793776, 53492220, 64190664, 71322960, 80238330, 106984440, 128381328, 160476660, 213968880, 320953320, 641906640]

約数ペア:

[(1, 641906640), (2, 320953320), (3, 213968880), (4, 160476660), (5, 128381328), (6, 106984440), (8, 80238330), (9, 71322960), (10, 64190664), (12, 53492220), (15, 42793776), (16, 40119165), (18, 35661480), (19, 33784560), (20, 32095332), (24, 26746110), (27, 23774320), (30, 21396888), (36, 17830740), (38, 16892280), (40, 16047666), (45, 14264592), (48, 13373055), (54, 11887160), (57, 11261520), (60, 10698444), (72, 8915370), (76, 8446140), (80, 8023833), (90, 7132296), (95, 6756912), (108, 5943580), (114, 5630760), (120, 5349222), (135, 4754864), (144, 4457685), (152, 4223070), (171, 3753840), (180, 3566148), (190, 3378456), (216, 2971790), (228, 2815380), (240, 2674611), (270, 2377432), (285, 2252304), (304, 2111535), (342, 1876920), (360, 1783074), (380, 1689228), (432, 1485895), (456, 1407690), (513, 1251280), (540, 1188716), (570, 1126152), (684, 938460), (720, 891537), (760, 844614), (855, 750768), (912, 703845), (1026, 625640), (1080, 594358), (1140, 563076), (1368, 469230), (1520, 422307), (1710, 375384), (2052, 312820), (2160, 297179), (2280, 281538), (2565, 250256), (2736, 234615), (3420, 187692), (4104, 156410), (4560, 140769), (5130, 125128), (6840, 93846), (8208, 78205), (10260, 62564), (13680, 46923), (15641, 41040), (20520, 31282)]