77331980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 209018880

約数和(自身を除く): 131686900

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 29, 31, 34, 44, 46, 55, 58, 62, 68, 85, 92, 110, 115, 116, 124, 145, 155, 170, 187, 220, 230, 253, 290, 310, 319, 340, 341, 374, 391, 460, 493, 506, 527, 580, 620, 638, 667, 682, 713, 748, 782, 899, 935, 986, 1012, 1054, 1265, 1276, 1334, 1364, 1426, 1564, 1595, 1705, 1798, 1870, 1955, 1972, 2108, 2465, 2530, 2635, 2668, 2852, 3190, 3335, 3410, 3565, 3596, 3740, 3910, 4301, 4495, 4930, 5060, 5270, 5423, 5797, 6380, 6670, 6820, 7130, 7337, 7820, 7843, 8602, 8990, 9860, 9889, 10540, 10846, 11339, 11594, 12121, 13340, 14260, 14674, 15283, 15686, 17204, 17980, 19778, 20677, 21505, 21692, 22678, 23188, 24242, 27115, 28985, 29348, 30566, 31372, 36685, 39215, 39556, 41354, 43010, 45356, 48484, 49445, 54230, 56695, 57970, 60605, 61132, 73370, 76415, 78430, 82708, 86020, 98890, 103385, 108460, 113390, 115940, 121210, 124729, 133331, 146740, 152830, 156860, 168113, 197780, 206770, 226780, 227447, 242420, 249458, 266662, 305660, 336226, 351509, 413540, 454894, 498916, 533324, 623645, 666655, 672452, 703018, 840565, 909788, 1137235, 1247290, 1333310, 1406036, 1681130, 1757545, 2274470, 2494580, 2666620, 3362260, 3515090, 3866599, 4548940, 7030180, 7733198, 15466396, 19332995, 38665990, 77331980]

約数ペア:

[(1, 77331980), (2, 38665990), (4, 19332995), (5, 15466396), (10, 7733198), (11, 7030180), (17, 4548940), (20, 3866599), (22, 3515090), (23, 3362260), (29, 2666620), (31, 2494580), (34, 2274470), (44, 1757545), (46, 1681130), (55, 1406036), (58, 1333310), (62, 1247290), (68, 1137235), (85, 909788), (92, 840565), (110, 703018), (115, 672452), (116, 666655), (124, 623645), (145, 533324), (155, 498916), (170, 454894), (187, 413540), (220, 351509), (230, 336226), (253, 305660), (290, 266662), (310, 249458), (319, 242420), (340, 227447), (341, 226780), (374, 206770), (391, 197780), (460, 168113), (493, 156860), (506, 152830), (527, 146740), (580, 133331), (620, 124729), (638, 121210), (667, 115940), (682, 113390), (713, 108460), (748, 103385), (782, 98890), (899, 86020), (935, 82708), (986, 78430), (1012, 76415), (1054, 73370), (1265, 61132), (1276, 60605), (1334, 57970), (1364, 56695), (1426, 54230), (1564, 49445), (1595, 48484), (1705, 45356), (1798, 43010), (1870, 41354), (1955, 39556), (1972, 39215), (2108, 36685), (2465, 31372), (2530, 30566), (2635, 29348), (2668, 28985), (2852, 27115), (3190, 24242), (3335, 23188), (3410, 22678), (3565, 21692), (3596, 21505), (3740, 20677), (3910, 19778), (4301, 17980), (4495, 17204), (4930, 15686), (5060, 15283), (5270, 14674), (5423, 14260), (5797, 13340), (6380, 12121), (6670, 11594), (6820, 11339), (7130, 10846), (7337, 10540), (7820, 9889), (7843, 9860), (8602, 8990)]