20808212640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{710663}}^1$

素因数の和:710742

約数の個数: 96

約数和(自身を含む): 66620486016

約数和(自身を除く): 45812273376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2928, 3660, 4880, 5856, 7320, 9760, 14640, 29280, 710663, 1421326, 2131989, 2842652, 3553315, 4263978, 5685304, 7106630, 8527956, 10659945, 11370608, 14213260, 17055912, 21319890, 22741216, 28426520, 34111824, 42639780, 43350443, 56853040, 68223648, 85279560, 86700886, 113706080, 130051329, 170559120, 173401772, 216752215, 260102658, 341118240, 346803544, 433504430, 520205316, 650256645, 693607088, 867008860, 1040410632, 1300513290, 1387214176, 1734017720, 2080821264, 2601026580, 3468035440, 4161642528, 5202053160, 6936070880, 10404106320, 20808212640]

約数ペア:

[(1, 20808212640), (2, 10404106320), (3, 6936070880), (4, 5202053160), (5, 4161642528), (6, 3468035440), (8, 2601026580), (10, 2080821264), (12, 1734017720), (15, 1387214176), (16, 1300513290), (20, 1040410632), (24, 867008860), (30, 693607088), (32, 650256645), (40, 520205316), (48, 433504430), (60, 346803544), (61, 341118240), (80, 260102658), (96, 216752215), (120, 173401772), (122, 170559120), (160, 130051329), (183, 113706080), (240, 86700886), (244, 85279560), (305, 68223648), (366, 56853040), (480, 43350443), (488, 42639780), (610, 34111824), (732, 28426520), (915, 22741216), (976, 21319890), (1220, 17055912), (1464, 14213260), (1830, 11370608), (1952, 10659945), (2440, 8527956), (2928, 7106630), (3660, 5685304), (4880, 4263978), (5856, 3553315), (7320, 2842652), (9760, 2131989), (14640, 1421326), (29280, 710663)]