1642854720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131639}}^1$

素因数の和:131672

約数の個数: 112

約数和(自身を含む): 5617342080

約数和(自身を除く): 3974487360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 131639, 263278, 394917, 526556, 658195, 789834, 1053112, 1316390, 1579668, 1711307, 1974585, 2106224, 2632780, 3159336, 3422614, 3949170, 4212448, 5133921, 5265560, 6318672, 6845228, 7898340, 8424896, 8556535, 10267842, 10531120, 12637344, 13690456, 15796680, 17113070, 20535684, 21062240, 25274688, 25669605, 27380912, 31593360, 34226140, 41071368, 42124480, 51339210, 54761824, 63186720, 68452280, 82142736, 102678420, 109523648, 126373440, 136904560, 164285472, 205356840, 273809120, 328570944, 410713680, 547618240, 821427360, 1642854720]

約数ペア:

[(1, 1642854720), (2, 821427360), (3, 547618240), (4, 410713680), (5, 328570944), (6, 273809120), (8, 205356840), (10, 164285472), (12, 136904560), (13, 126373440), (15, 109523648), (16, 102678420), (20, 82142736), (24, 68452280), (26, 63186720), (30, 54761824), (32, 51339210), (39, 42124480), (40, 41071368), (48, 34226140), (52, 31593360), (60, 27380912), (64, 25669605), (65, 25274688), (78, 21062240), (80, 20535684), (96, 17113070), (104, 15796680), (120, 13690456), (130, 12637344), (156, 10531120), (160, 10267842), (192, 8556535), (195, 8424896), (208, 7898340), (240, 6845228), (260, 6318672), (312, 5265560), (320, 5133921), (390, 4212448), (416, 3949170), (480, 3422614), (520, 3159336), (624, 2632780), (780, 2106224), (832, 1974585), (960, 1711307), (1040, 1579668), (1248, 1316390), (1560, 1053112), (2080, 789834), (2496, 658195), (3120, 526556), (4160, 394917), (6240, 263278), (12480, 131639)]