217438920

素因数分解:

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

素因数の和:316

約数の個数: 192

約数和(自身を含む): 735920640

約数和(自身を除く): 518481720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 71, 72, 90, 94, 120, 141, 142, 180, 181, 188, 213, 235, 282, 284, 355, 360, 362, 376, 423, 426, 470, 543, 564, 568, 639, 705, 710, 724, 846, 852, 905, 940, 1065, 1086, 1128, 1278, 1410, 1420, 1448, 1629, 1692, 1704, 1810, 1880, 2115, 2130, 2172, 2556, 2715, 2820, 2840, 3195, 3258, 3337, 3384, 3620, 4230, 4260, 4344, 5112, 5430, 5640, 6390, 6516, 6674, 7240, 8145, 8460, 8507, 8520, 10011, 10860, 12780, 12851, 13032, 13348, 16290, 16685, 16920, 17014, 20022, 21720, 25521, 25560, 25702, 26696, 30033, 32580, 33370, 34028, 38553, 40044, 42535, 50055, 51042, 51404, 60066, 64255, 65160, 66740, 68056, 76563, 77106, 80088, 85070, 100110, 102084, 102808, 115659, 120132, 127605, 128510, 133480, 150165, 153126, 154212, 170140, 192765, 200220, 204168, 231318, 240264, 255210, 257020, 300330, 306252, 308424, 340280, 382815, 385530, 400440, 462636, 510420, 514040, 578295, 600660, 603997, 612504, 765630, 771060, 925272, 1020840, 1156590, 1201320, 1207994, 1531260, 1542120, 1811991, 2313180, 2415988, 3019985, 3062520, 3623982, 4626360, 4831976, 5435973, 6039970, 7247964, 9059955, 10871946, 12079940, 14495928, 18119910, 21743892, 24159880, 27179865, 36239820, 43487784, 54359730, 72479640, 108719460, 217438920]

約数ペア:

[(1, 217438920), (2, 108719460), (3, 72479640), (4, 54359730), (5, 43487784), (6, 36239820), (8, 27179865), (9, 24159880), (10, 21743892), (12, 18119910), (15, 14495928), (18, 12079940), (20, 10871946), (24, 9059955), (30, 7247964), (36, 6039970), (40, 5435973), (45, 4831976), (47, 4626360), (60, 3623982), (71, 3062520), (72, 3019985), (90, 2415988), (94, 2313180), (120, 1811991), (141, 1542120), (142, 1531260), (180, 1207994), (181, 1201320), (188, 1156590), (213, 1020840), (235, 925272), (282, 771060), (284, 765630), (355, 612504), (360, 603997), (362, 600660), (376, 578295), (423, 514040), (426, 510420), (470, 462636), (543, 400440), (564, 385530), (568, 382815), (639, 340280), (705, 308424), (710, 306252), (724, 300330), (846, 257020), (852, 255210), (905, 240264), (940, 231318), (1065, 204168), (1086, 200220), (1128, 192765), (1278, 170140), (1410, 154212), (1420, 153126), (1448, 150165), (1629, 133480), (1692, 128510), (1704, 127605), (1810, 120132), (1880, 115659), (2115, 102808), (2130, 102084), (2172, 100110), (2556, 85070), (2715, 80088), (2820, 77106), (2840, 76563), (3195, 68056), (3258, 66740), (3337, 65160), (3384, 64255), (3620, 60066), (4230, 51404), (4260, 51042), (4344, 50055), (5112, 42535), (5430, 40044), (5640, 38553), (6390, 34028), (6516, 33370), (6674, 32580), (7240, 30033), (8145, 26696), (8460, 25702), (8507, 25560), (8520, 25521), (10011, 21720), (10860, 20022), (12780, 17014), (12851, 16920), (13032, 16685), (13348, 16290)]