1520478700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1388

約数の個数: 144

約数和(自身を含む): 3797256960

約数和(自身を除く): 2276778260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 31, 50, 52, 58, 62, 65, 100, 116, 124, 130, 145, 155, 260, 290, 310, 325, 377, 403, 580, 620, 650, 725, 754, 775, 806, 899, 1300, 1301, 1450, 1508, 1550, 1612, 1798, 1885, 2015, 2602, 2900, 3100, 3596, 3770, 4030, 4495, 5204, 6505, 7540, 8060, 8990, 9425, 10075, 11687, 13010, 16913, 17980, 18850, 20150, 22475, 23374, 26020, 32525, 33826, 37700, 37729, 40300, 40331, 44950, 46748, 58435, 65050, 67652, 75458, 80662, 84565, 89900, 116870, 130100, 150916, 161324, 169130, 188645, 201655, 233740, 292175, 338260, 377290, 403310, 422825, 490477, 524303, 584350, 754580, 806620, 845650, 943225, 980954, 1008275, 1048606, 1168700, 1169599, 1691300, 1886450, 1961908, 2016550, 2097212, 2339198, 2452385, 2621515, 3772900, 4033100, 4678396, 4904770, 5243030, 5847995, 9809540, 10486060, 11695990, 12261925, 13107575, 15204787, 23391980, 24523850, 26215150, 29239975, 30409574, 49047700, 52430300, 58479950, 60819148, 76023935, 116959900, 152047870, 304095740, 380119675, 760239350, 1520478700]

約数ペア:

[(1, 1520478700), (2, 760239350), (4, 380119675), (5, 304095740), (10, 152047870), (13, 116959900), (20, 76023935), (25, 60819148), (26, 58479950), (29, 52430300), (31, 49047700), (50, 30409574), (52, 29239975), (58, 26215150), (62, 24523850), (65, 23391980), (100, 15204787), (116, 13107575), (124, 12261925), (130, 11695990), (145, 10486060), (155, 9809540), (260, 5847995), (290, 5243030), (310, 4904770), (325, 4678396), (377, 4033100), (403, 3772900), (580, 2621515), (620, 2452385), (650, 2339198), (725, 2097212), (754, 2016550), (775, 1961908), (806, 1886450), (899, 1691300), (1300, 1169599), (1301, 1168700), (1450, 1048606), (1508, 1008275), (1550, 980954), (1612, 943225), (1798, 845650), (1885, 806620), (2015, 754580), (2602, 584350), (2900, 524303), (3100, 490477), (3596, 422825), (3770, 403310), (4030, 377290), (4495, 338260), (5204, 292175), (6505, 233740), (7540, 201655), (8060, 188645), (8990, 169130), (9425, 161324), (10075, 150916), (11687, 130100), (13010, 116870), (16913, 89900), (17980, 84565), (18850, 80662), (20150, 75458), (22475, 67652), (23374, 65050), (26020, 58435), (32525, 46748), (33826, 44950), (37700, 40331), (37729, 40300)]