720301890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1913}}^1$

素因数の和:2104

約数の個数: 128

約数和(自身を含む): 2169649152

約数和(自身を除く): 1449347262

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 163, 165, 210, 231, 326, 330, 385, 462, 489, 770, 815, 978, 1141, 1155, 1630, 1793, 1913, 2282, 2310, 2445, 3423, 3586, 3826, 4890, 5379, 5705, 5739, 6846, 8965, 9565, 10758, 11410, 11478, 12551, 13391, 17115, 17930, 19130, 21043, 25102, 26782, 26895, 28695, 34230, 37653, 40173, 42086, 53790, 57390, 62755, 63129, 66955, 75306, 80346, 105215, 125510, 126258, 133910, 147301, 188265, 200865, 210430, 294602, 311819, 315645, 376530, 401730, 441903, 623638, 631290, 736505, 883806, 935457, 1473010, 1559095, 1870914, 2182733, 2209515, 3118190, 3430009, 4365466, 4419030, 4677285, 6548199, 6860018, 9354570, 10290027, 10913665, 13096398, 17150045, 20580054, 21827330, 24010063, 32740995, 34300090, 48020126, 51450135, 65481990, 72030189, 102900270, 120050315, 144060378, 240100630, 360150945, 720301890]

約数ペア:

[(1, 720301890), (2, 360150945), (3, 240100630), (5, 144060378), (6, 120050315), (7, 102900270), (10, 72030189), (11, 65481990), (14, 51450135), (15, 48020126), (21, 34300090), (22, 32740995), (30, 24010063), (33, 21827330), (35, 20580054), (42, 17150045), (55, 13096398), (66, 10913665), (70, 10290027), (77, 9354570), (105, 6860018), (110, 6548199), (154, 4677285), (163, 4419030), (165, 4365466), (210, 3430009), (231, 3118190), (326, 2209515), (330, 2182733), (385, 1870914), (462, 1559095), (489, 1473010), (770, 935457), (815, 883806), (978, 736505), (1141, 631290), (1155, 623638), (1630, 441903), (1793, 401730), (1913, 376530), (2282, 315645), (2310, 311819), (2445, 294602), (3423, 210430), (3586, 200865), (3826, 188265), (4890, 147301), (5379, 133910), (5705, 126258), (5739, 125510), (6846, 105215), (8965, 80346), (9565, 75306), (10758, 66955), (11410, 63129), (11478, 62755), (12551, 57390), (13391, 53790), (17115, 42086), (17930, 40173), (19130, 37653), (21043, 34230), (25102, 28695), (26782, 26895)]