72479640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 153957480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 181, 188, 213, 235, 282, 284, 355, 362, 376, 426, 470, 543, 564, 568, 705, 710, 724, 852, 905, 940, 1065, 1086, 1128, 1410, 1420, 1448, 1704, 1810, 1880, 2130, 2172, 2715, 2820, 2840, 3337, 3620, 4260, 4344, 5430, 5640, 6674, 7240, 8507, 8520, 10011, 10860, 12851, 13348, 16685, 17014, 20022, 21720, 25521, 25702, 26696, 33370, 34028, 38553, 40044, 42535, 50055, 51042, 51404, 64255, 66740, 68056, 77106, 80088, 85070, 100110, 102084, 102808, 127605, 128510, 133480, 154212, 170140, 192765, 200220, 204168, 255210, 257020, 308424, 340280, 385530, 400440, 510420, 514040, 603997, 771060, 1020840, 1207994, 1542120, 1811991, 2415988, 3019985, 3623982, 4831976, 6039970, 7247964, 9059955, 12079940, 14495928, 18119910, 24159880, 36239820, 72479640]

約数ペア:

[(1, 72479640), (2, 36239820), (3, 24159880), (4, 18119910), (5, 14495928), (6, 12079940), (8, 9059955), (10, 7247964), (12, 6039970), (15, 4831976), (20, 3623982), (24, 3019985), (30, 2415988), (40, 1811991), (47, 1542120), (60, 1207994), (71, 1020840), (94, 771060), (120, 603997), (141, 514040), (142, 510420), (181, 400440), (188, 385530), (213, 340280), (235, 308424), (282, 257020), (284, 255210), (355, 204168), (362, 200220), (376, 192765), (426, 170140), (470, 154212), (543, 133480), (564, 128510), (568, 127605), (705, 102808), (710, 102084), (724, 100110), (852, 85070), (905, 80088), (940, 77106), (1065, 68056), (1086, 66740), (1128, 64255), (1410, 51404), (1420, 51042), (1448, 50055), (1704, 42535), (1810, 40044), (1880, 38553), (2130, 34028), (2172, 33370), (2715, 26696), (2820, 25702), (2840, 25521), (3337, 21720), (3620, 20022), (4260, 17014), (4344, 16685), (5430, 13348), (5640, 12851), (6674, 10860), (7240, 10011), (8507, 8520)]