647447220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7039}}^1$

素因数の和:7134

約数の個数: 144

約数和(自身を含む): 2275553280

約数和(自身を除く): 1628106060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 876, 1022, 1095, 1260, 1314, 1460, 1533, 2044, 2190, 2555, 2628, 3066, 3285, 4380, 4599, 5110, 6132, 6570, 7039, 7665, 9198, 10220, 13140, 14078, 15330, 18396, 21117, 22995, 28156, 30660, 35195, 42234, 45990, 49273, 63351, 70390, 84468, 91980, 98546, 105585, 126702, 140780, 147819, 197092, 211170, 246365, 253404, 295638, 316755, 422340, 443457, 492730, 513847, 591276, 633510, 739095, 886914, 985460, 1027694, 1267020, 1478190, 1541541, 1773828, 2055388, 2217285, 2569235, 2956380, 3083082, 3596929, 4434570, 4624623, 5138470, 6166164, 7193858, 7707705, 8869140, 9249246, 10276940, 10790787, 14387716, 15415410, 17984645, 18498492, 21581574, 23123115, 30830820, 32372361, 35969290, 43163148, 46246230, 53953935, 64744722, 71938580, 92492460, 107907870, 129489444, 161861805, 215815740, 323723610, 647447220]

約数ペア:

[(1, 647447220), (2, 323723610), (3, 215815740), (4, 161861805), (5, 129489444), (6, 107907870), (7, 92492460), (9, 71938580), (10, 64744722), (12, 53953935), (14, 46246230), (15, 43163148), (18, 35969290), (20, 32372361), (21, 30830820), (28, 23123115), (30, 21581574), (35, 18498492), (36, 17984645), (42, 15415410), (45, 14387716), (60, 10790787), (63, 10276940), (70, 9249246), (73, 8869140), (84, 7707705), (90, 7193858), (105, 6166164), (126, 5138470), (140, 4624623), (146, 4434570), (180, 3596929), (210, 3083082), (219, 2956380), (252, 2569235), (292, 2217285), (315, 2055388), (365, 1773828), (420, 1541541), (438, 1478190), (511, 1267020), (630, 1027694), (657, 985460), (730, 886914), (876, 739095), (1022, 633510), (1095, 591276), (1260, 513847), (1314, 492730), (1460, 443457), (1533, 422340), (2044, 316755), (2190, 295638), (2555, 253404), (2628, 246365), (3066, 211170), (3285, 197092), (4380, 147819), (4599, 140780), (5110, 126702), (6132, 105585), (6570, 98546), (7039, 91980), (7665, 84468), (9198, 70390), (10220, 63351), (13140, 49273), (14078, 45990), (15330, 42234), (18396, 35195), (21117, 30660), (22995, 28156)]