63405840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 202647744

約数和(自身を除く): 139241904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 71, 80, 120, 122, 142, 183, 213, 240, 244, 284, 305, 355, 366, 426, 488, 568, 610, 710, 732, 852, 915, 976, 1065, 1136, 1220, 1420, 1464, 1704, 1830, 2130, 2440, 2840, 2928, 3408, 3660, 3721, 4260, 4331, 4880, 5680, 7320, 7442, 8520, 8662, 11163, 12993, 14640, 14884, 17040, 17324, 18605, 21655, 22326, 25986, 29768, 34648, 37210, 43310, 44652, 51972, 55815, 59536, 64965, 69296, 74420, 86620, 89304, 103944, 111630, 129930, 148840, 173240, 178608, 207888, 223260, 259860, 264191, 297680, 346480, 446520, 519720, 528382, 792573, 893040, 1039440, 1056764, 1320955, 1585146, 2113528, 2641910, 3170292, 3962865, 4227056, 5283820, 6340584, 7925730, 10567640, 12681168, 15851460, 21135280, 31702920, 63405840]

約数ペア:

[(1, 63405840), (2, 31702920), (3, 21135280), (4, 15851460), (5, 12681168), (6, 10567640), (8, 7925730), (10, 6340584), (12, 5283820), (15, 4227056), (16, 3962865), (20, 3170292), (24, 2641910), (30, 2113528), (40, 1585146), (48, 1320955), (60, 1056764), (61, 1039440), (71, 893040), (80, 792573), (120, 528382), (122, 519720), (142, 446520), (183, 346480), (213, 297680), (240, 264191), (244, 259860), (284, 223260), (305, 207888), (355, 178608), (366, 173240), (426, 148840), (488, 129930), (568, 111630), (610, 103944), (710, 89304), (732, 86620), (852, 74420), (915, 69296), (976, 64965), (1065, 59536), (1136, 55815), (1220, 51972), (1420, 44652), (1464, 43310), (1704, 37210), (1830, 34648), (2130, 29768), (2440, 25986), (2840, 22326), (2928, 21655), (3408, 18605), (3660, 17324), (3721, 17040), (4260, 14884), (4331, 14640), (4880, 12993), (5680, 11163), (7320, 8662), (7442, 8520)]