644605320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10193}}^1$

素因数の和:10255

約数の個数: 128

約数和(自身を含む): 2113827840

約数和(自身を除く): 1469222520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6324, 7905, 10193, 10540, 12648, 15810, 20386, 21080, 30579, 31620, 40772, 50965, 61158, 63240, 81544, 101930, 122316, 152895, 173281, 203860, 244632, 305790, 315983, 346562, 407720, 519843, 611580, 631966, 693124, 866405, 947949, 1039686, 1223160, 1263932, 1386248, 1579915, 1732810, 1895898, 2079372, 2527864, 2599215, 3159830, 3465620, 3791796, 4158744, 4739745, 5198430, 5371711, 6319660, 6931240, 7583592, 9479490, 10396860, 10743422, 12639320, 16115133, 18958980, 20793720, 21486844, 26858555, 32230266, 37917960, 42973688, 53717110, 64460532, 80575665, 107434220, 128921064, 161151330, 214868440, 322302660, 644605320]

約数ペア:

[(1, 644605320), (2, 322302660), (3, 214868440), (4, 161151330), (5, 128921064), (6, 107434220), (8, 80575665), (10, 64460532), (12, 53717110), (15, 42973688), (17, 37917960), (20, 32230266), (24, 26858555), (30, 21486844), (31, 20793720), (34, 18958980), (40, 16115133), (51, 12639320), (60, 10743422), (62, 10396860), (68, 9479490), (85, 7583592), (93, 6931240), (102, 6319660), (120, 5371711), (124, 5198430), (136, 4739745), (155, 4158744), (170, 3791796), (186, 3465620), (204, 3159830), (248, 2599215), (255, 2527864), (310, 2079372), (340, 1895898), (372, 1732810), (408, 1579915), (465, 1386248), (510, 1263932), (527, 1223160), (620, 1039686), (680, 947949), (744, 866405), (930, 693124), (1020, 631966), (1054, 611580), (1240, 519843), (1581, 407720), (1860, 346562), (2040, 315983), (2108, 305790), (2635, 244632), (3162, 203860), (3720, 173281), (4216, 152895), (5270, 122316), (6324, 101930), (7905, 81544), (10193, 63240), (10540, 61158), (12648, 50965), (15810, 40772), (20386, 31620), (21080, 30579)]