65499980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 187971840

約数和(自身を除く): 122471860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 29, 34, 35, 52, 58, 65, 68, 70, 73, 85, 91, 116, 119, 130, 140, 145, 146, 170, 182, 203, 221, 238, 260, 290, 292, 340, 364, 365, 377, 406, 442, 455, 476, 493, 511, 580, 595, 730, 754, 812, 884, 910, 949, 986, 1015, 1022, 1105, 1190, 1241, 1460, 1508, 1547, 1820, 1885, 1898, 1972, 2030, 2044, 2117, 2210, 2380, 2465, 2482, 2555, 2639, 3094, 3451, 3770, 3796, 4060, 4234, 4420, 4745, 4930, 4964, 5110, 5278, 6188, 6205, 6409, 6643, 6902, 7540, 7735, 8468, 8687, 9490, 9860, 10220, 10556, 10585, 12410, 12818, 13195, 13286, 13804, 14819, 15470, 16133, 17255, 17374, 18980, 21170, 24820, 25636, 26390, 26572, 27521, 29638, 30940, 32045, 32266, 33215, 34510, 34748, 35989, 42340, 43435, 44863, 52780, 55042, 59276, 64090, 64532, 66430, 69020, 71978, 74095, 80665, 86870, 89726, 110084, 112931, 128180, 132860, 137605, 143956, 148190, 161330, 173740, 179452, 179945, 192647, 224315, 225862, 251923, 275210, 296380, 322660, 359890, 385294, 448630, 451724, 467857, 503846, 550420, 564655, 719780, 770588, 897260, 935714, 963235, 1007692, 1129310, 1259615, 1871428, 1926470, 2258620, 2339285, 2519230, 3274999, 3852940, 4678570, 5038460, 6549998, 9357140, 13099996, 16374995, 32749990, 65499980]

約数ペア:

[(1, 65499980), (2, 32749990), (4, 16374995), (5, 13099996), (7, 9357140), (10, 6549998), (13, 5038460), (14, 4678570), (17, 3852940), (20, 3274999), (26, 2519230), (28, 2339285), (29, 2258620), (34, 1926470), (35, 1871428), (52, 1259615), (58, 1129310), (65, 1007692), (68, 963235), (70, 935714), (73, 897260), (85, 770588), (91, 719780), (116, 564655), (119, 550420), (130, 503846), (140, 467857), (145, 451724), (146, 448630), (170, 385294), (182, 359890), (203, 322660), (221, 296380), (238, 275210), (260, 251923), (290, 225862), (292, 224315), (340, 192647), (364, 179945), (365, 179452), (377, 173740), (406, 161330), (442, 148190), (455, 143956), (476, 137605), (493, 132860), (511, 128180), (580, 112931), (595, 110084), (730, 89726), (754, 86870), (812, 80665), (884, 74095), (910, 71978), (949, 69020), (986, 66430), (1015, 64532), (1022, 64090), (1105, 59276), (1190, 55042), (1241, 52780), (1460, 44863), (1508, 43435), (1547, 42340), (1820, 35989), (1885, 34748), (1898, 34510), (1972, 33215), (2030, 32266), (2044, 32045), (2117, 30940), (2210, 29638), (2380, 27521), (2465, 26572), (2482, 26390), (2555, 25636), (2639, 24820), (3094, 21170), (3451, 18980), (3770, 17374), (3796, 17255), (4060, 16133), (4234, 15470), (4420, 14819), (4745, 13804), (4930, 13286), (4964, 13195), (5110, 12818), (5278, 12410), (6188, 10585), (6205, 10556), (6409, 10220), (6643, 9860), (6902, 9490), (7540, 8687), (7735, 8468)]