66579940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 178375680

約数和(自身を除く): 111795740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 31, 35, 46, 58, 62, 70, 92, 115, 116, 124, 140, 145, 155, 161, 203, 217, 230, 290, 310, 322, 406, 434, 460, 529, 580, 620, 644, 667, 713, 805, 812, 868, 899, 1015, 1058, 1085, 1334, 1426, 1610, 1798, 2030, 2116, 2170, 2645, 2668, 2852, 3220, 3335, 3565, 3596, 3703, 4060, 4340, 4495, 4669, 4991, 5290, 6293, 6670, 7130, 7406, 8990, 9338, 9982, 10580, 12586, 13340, 14260, 14812, 15341, 16399, 17980, 18515, 18676, 19964, 20677, 23345, 24955, 25172, 30682, 31465, 32798, 37030, 41354, 46690, 49910, 61364, 62930, 65596, 74060, 76705, 81995, 82708, 93380, 99820, 103385, 107387, 114793, 125860, 144739, 153410, 163990, 206770, 214774, 229586, 289478, 306820, 327980, 413540, 429548, 459172, 475571, 536935, 573965, 578956, 723695, 951142, 1073870, 1147930, 1447390, 1902284, 2147740, 2295860, 2377855, 2894780, 3328997, 4755710, 6657994, 9511420, 13315988, 16644985, 33289970, 66579940]

約数ペア:

[(1, 66579940), (2, 33289970), (4, 16644985), (5, 13315988), (7, 9511420), (10, 6657994), (14, 4755710), (20, 3328997), (23, 2894780), (28, 2377855), (29, 2295860), (31, 2147740), (35, 1902284), (46, 1447390), (58, 1147930), (62, 1073870), (70, 951142), (92, 723695), (115, 578956), (116, 573965), (124, 536935), (140, 475571), (145, 459172), (155, 429548), (161, 413540), (203, 327980), (217, 306820), (230, 289478), (290, 229586), (310, 214774), (322, 206770), (406, 163990), (434, 153410), (460, 144739), (529, 125860), (580, 114793), (620, 107387), (644, 103385), (667, 99820), (713, 93380), (805, 82708), (812, 81995), (868, 76705), (899, 74060), (1015, 65596), (1058, 62930), (1085, 61364), (1334, 49910), (1426, 46690), (1610, 41354), (1798, 37030), (2030, 32798), (2116, 31465), (2170, 30682), (2645, 25172), (2668, 24955), (2852, 23345), (3220, 20677), (3335, 19964), (3565, 18676), (3596, 18515), (3703, 17980), (4060, 16399), (4340, 15341), (4495, 14812), (4669, 14260), (4991, 13340), (5290, 12586), (6293, 10580), (6670, 9982), (7130, 9338), (7406, 8990)]