12639448960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{4219}}^1$

素因数の和:4420

約数の個数: 128

約数和(自身を含む): 31404902400

約数和(自身を除く): 18765453440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 151, 155, 160, 248, 302, 310, 320, 496, 604, 620, 640, 755, 992, 1208, 1240, 1510, 1984, 2416, 2480, 3020, 3968, 4219, 4681, 4832, 4960, 6040, 8438, 9362, 9664, 9920, 12080, 16876, 18724, 19328, 19840, 21095, 23405, 24160, 33752, 37448, 42190, 46810, 48320, 67504, 74896, 84380, 93620, 96640, 130789, 135008, 149792, 168760, 187240, 261578, 270016, 299584, 337520, 374480, 523156, 540032, 599168, 637069, 653945, 675040, 748960, 1046312, 1274138, 1307890, 1350080, 1497920, 2092624, 2548276, 2615780, 2700160, 2995840, 3185345, 4185248, 5096552, 5231560, 6370690, 8370496, 10193104, 10463120, 12741380, 16740992, 19749139, 20386208, 20926240, 25482760, 39498278, 40772416, 41852480, 50965520, 78996556, 81544832, 83704960, 98745695, 101931040, 157993112, 197491390, 203862080, 315986224, 394982780, 407724160, 631972448, 789965560, 1263944896, 1579931120, 2527889792, 3159862240, 6319724480, 12639448960]

約数ペア:

[(1, 12639448960), (2, 6319724480), (4, 3159862240), (5, 2527889792), (8, 1579931120), (10, 1263944896), (16, 789965560), (20, 631972448), (31, 407724160), (32, 394982780), (40, 315986224), (62, 203862080), (64, 197491390), (80, 157993112), (124, 101931040), (128, 98745695), (151, 83704960), (155, 81544832), (160, 78996556), (248, 50965520), (302, 41852480), (310, 40772416), (320, 39498278), (496, 25482760), (604, 20926240), (620, 20386208), (640, 19749139), (755, 16740992), (992, 12741380), (1208, 10463120), (1240, 10193104), (1510, 8370496), (1984, 6370690), (2416, 5231560), (2480, 5096552), (3020, 4185248), (3968, 3185345), (4219, 2995840), (4681, 2700160), (4832, 2615780), (4960, 2548276), (6040, 2092624), (8438, 1497920), (9362, 1350080), (9664, 1307890), (9920, 1274138), (12080, 1046312), (16876, 748960), (18724, 675040), (19328, 653945), (19840, 637069), (21095, 599168), (23405, 540032), (24160, 523156), (33752, 374480), (37448, 337520), (42190, 299584), (46810, 270016), (48320, 261578), (67504, 187240), (74896, 168760), (84380, 149792), (93620, 135008), (96640, 130789)]