90899880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 283668480

約数和(自身を除く): 192768600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 188, 213, 227, 235, 282, 284, 355, 376, 426, 454, 470, 564, 568, 681, 705, 710, 852, 908, 940, 1065, 1128, 1135, 1362, 1410, 1420, 1704, 1816, 1880, 2130, 2270, 2724, 2820, 2840, 3337, 3405, 4260, 4540, 5448, 5640, 6674, 6810, 8520, 9080, 10011, 10669, 13348, 13620, 16117, 16685, 20022, 21338, 26696, 27240, 32007, 32234, 33370, 40044, 42676, 48351, 50055, 53345, 64014, 64468, 66740, 80088, 80585, 85352, 96702, 100110, 106690, 128028, 128936, 133480, 160035, 161170, 193404, 200220, 213380, 241755, 256056, 320070, 322340, 386808, 400440, 426760, 483510, 640140, 644680, 757499, 967020, 1280280, 1514998, 1934040, 2272497, 3029996, 3787495, 4544994, 6059992, 7574990, 9089988, 11362485, 15149980, 18179976, 22724970, 30299960, 45449940, 90899880]

約数ペア:

[(1, 90899880), (2, 45449940), (3, 30299960), (4, 22724970), (5, 18179976), (6, 15149980), (8, 11362485), (10, 9089988), (12, 7574990), (15, 6059992), (20, 4544994), (24, 3787495), (30, 3029996), (40, 2272497), (47, 1934040), (60, 1514998), (71, 1280280), (94, 967020), (120, 757499), (141, 644680), (142, 640140), (188, 483510), (213, 426760), (227, 400440), (235, 386808), (282, 322340), (284, 320070), (355, 256056), (376, 241755), (426, 213380), (454, 200220), (470, 193404), (564, 161170), (568, 160035), (681, 133480), (705, 128936), (710, 128028), (852, 106690), (908, 100110), (940, 96702), (1065, 85352), (1128, 80585), (1135, 80088), (1362, 66740), (1410, 64468), (1420, 64014), (1704, 53345), (1816, 50055), (1880, 48351), (2130, 42676), (2270, 40044), (2724, 33370), (2820, 32234), (2840, 32007), (3337, 27240), (3405, 26696), (4260, 21338), (4540, 20022), (5448, 16685), (5640, 16117), (6674, 13620), (6810, 13348), (8520, 10669), (9080, 10011)]