1520787900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{113}}^2\times {\mathrm{397}}^1$

素因数の和:640

約数の個数: 108

約数和(自身を含む): 4450612712

約数和(自身を除く): 2929824812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 113, 150, 226, 300, 339, 397, 452, 565, 678, 794, 1130, 1191, 1356, 1588, 1695, 1985, 2260, 2382, 2825, 3390, 3970, 4764, 5650, 5955, 6780, 7940, 8475, 9925, 11300, 11910, 12769, 16950, 19850, 23820, 25538, 29775, 33900, 38307, 39700, 44861, 51076, 59550, 63845, 76614, 89722, 119100, 127690, 134583, 153228, 179444, 191535, 224305, 255380, 269166, 319225, 383070, 448610, 538332, 638450, 672915, 766140, 897220, 957675, 1121525, 1276900, 1345830, 1915350, 2243050, 2691660, 3364575, 3830700, 4486100, 5069293, 6729150, 10138586, 13458300, 15207879, 20277172, 25346465, 30415758, 50692930, 60831516, 76039395, 101385860, 126732325, 152078790, 253464650, 304157580, 380196975, 506929300, 760393950, 1520787900]

約数ペア:

[(1, 1520787900), (2, 760393950), (3, 506929300), (4, 380196975), (5, 304157580), (6, 253464650), (10, 152078790), (12, 126732325), (15, 101385860), (20, 76039395), (25, 60831516), (30, 50692930), (50, 30415758), (60, 25346465), (75, 20277172), (100, 15207879), (113, 13458300), (150, 10138586), (226, 6729150), (300, 5069293), (339, 4486100), (397, 3830700), (452, 3364575), (565, 2691660), (678, 2243050), (794, 1915350), (1130, 1345830), (1191, 1276900), (1356, 1121525), (1588, 957675), (1695, 897220), (1985, 766140), (2260, 672915), (2382, 638450), (2825, 538332), (3390, 448610), (3970, 383070), (4764, 319225), (5650, 269166), (5955, 255380), (6780, 224305), (7940, 191535), (8475, 179444), (9925, 153228), (11300, 134583), (11910, 127690), (12769, 119100), (16950, 89722), (19850, 76614), (23820, 63845), (25538, 59550), (29775, 51076), (33900, 44861), (38307, 39700)]