1257186400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:525

約数の個数: 144

約数和(自身を含む): 3197795328

約数和(自身を除く): 1940608928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 163, 200, 248, 310, 311, 326, 400, 496, 620, 622, 652, 775, 800, 815, 992, 1240, 1244, 1304, 1550, 1555, 1630, 2480, 2488, 2608, 3100, 3110, 3260, 4075, 4960, 4976, 5053, 5216, 6200, 6220, 6520, 7775, 8150, 9641, 9952, 10106, 12400, 12440, 13040, 15550, 16300, 19282, 20212, 24800, 24880, 25265, 26080, 31100, 32600, 38564, 40424, 48205, 49760, 50530, 50693, 62200, 65200, 77128, 80848, 96410, 101060, 101386, 124400, 126325, 130400, 154256, 161696, 192820, 202120, 202772, 241025, 248800, 252650, 253465, 308512, 385640, 404240, 405544, 482050, 505300, 506930, 771280, 808480, 811088, 964100, 1010600, 1013860, 1267325, 1542560, 1571483, 1622176, 1928200, 2021200, 2027720, 2534650, 3142966, 3856400, 4042400, 4055440, 5069300, 6285932, 7712800, 7857415, 8110880, 10138600, 12571864, 15714830, 20277200, 25143728, 31429660, 39287075, 40554400, 50287456, 62859320, 78574150, 125718640, 157148300, 251437280, 314296600, 628593200, 1257186400]

約数ペア:

[(1, 1257186400), (2, 628593200), (4, 314296600), (5, 251437280), (8, 157148300), (10, 125718640), (16, 78574150), (20, 62859320), (25, 50287456), (31, 40554400), (32, 39287075), (40, 31429660), (50, 25143728), (62, 20277200), (80, 15714830), (100, 12571864), (124, 10138600), (155, 8110880), (160, 7857415), (163, 7712800), (200, 6285932), (248, 5069300), (310, 4055440), (311, 4042400), (326, 3856400), (400, 3142966), (496, 2534650), (620, 2027720), (622, 2021200), (652, 1928200), (775, 1622176), (800, 1571483), (815, 1542560), (992, 1267325), (1240, 1013860), (1244, 1010600), (1304, 964100), (1550, 811088), (1555, 808480), (1630, 771280), (2480, 506930), (2488, 505300), (2608, 482050), (3100, 405544), (3110, 404240), (3260, 385640), (4075, 308512), (4960, 253465), (4976, 252650), (5053, 248800), (5216, 241025), (6200, 202772), (6220, 202120), (6520, 192820), (7775, 161696), (8150, 154256), (9641, 130400), (9952, 126325), (10106, 124400), (12400, 101386), (12440, 101060), (13040, 96410), (15550, 80848), (16300, 77128), (19282, 65200), (20212, 62200), (24800, 50693), (24880, 50530), (25265, 49760), (26080, 48205), (31100, 40424), (32600, 38564)]