218973720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3571}}^1$

素因数の和:3665

約数の個数: 128

約数和(自身を含む): 761264640

約数和(自身を除く): 542290920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 3571, 4088, 4380, 5110, 6132, 7142, 7665, 8760, 10220, 10713, 12264, 14284, 15330, 17855, 20440, 21426, 24997, 28568, 30660, 35710, 42852, 49994, 53565, 61320, 71420, 74991, 85704, 99988, 107130, 124985, 142840, 149982, 199976, 214260, 249970, 260683, 299964, 374955, 428520, 499940, 521366, 599928, 749910, 782049, 999880, 1042732, 1303415, 1499820, 1564098, 1824781, 2085464, 2606830, 2999640, 3128196, 3649562, 3910245, 5213660, 5474343, 6256392, 7299124, 7820490, 9123905, 10427320, 10948686, 14598248, 15640980, 18247810, 21897372, 27371715, 31281960, 36495620, 43794744, 54743430, 72991240, 109486860, 218973720]

約数ペア:

[(1, 218973720), (2, 109486860), (3, 72991240), (4, 54743430), (5, 43794744), (6, 36495620), (7, 31281960), (8, 27371715), (10, 21897372), (12, 18247810), (14, 15640980), (15, 14598248), (20, 10948686), (21, 10427320), (24, 9123905), (28, 7820490), (30, 7299124), (35, 6256392), (40, 5474343), (42, 5213660), (56, 3910245), (60, 3649562), (70, 3128196), (73, 2999640), (84, 2606830), (105, 2085464), (120, 1824781), (140, 1564098), (146, 1499820), (168, 1303415), (210, 1042732), (219, 999880), (280, 782049), (292, 749910), (365, 599928), (420, 521366), (438, 499940), (511, 428520), (584, 374955), (730, 299964), (840, 260683), (876, 249970), (1022, 214260), (1095, 199976), (1460, 149982), (1533, 142840), (1752, 124985), (2044, 107130), (2190, 99988), (2555, 85704), (2920, 74991), (3066, 71420), (3571, 61320), (4088, 53565), (4380, 49994), (5110, 42852), (6132, 35710), (7142, 30660), (7665, 28568), (8760, 24997), (10220, 21426), (10713, 20440), (12264, 17855), (14284, 15330)]