815687820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3642

約数の個数: 144

約数和(自身を含む): 2621219328

約数和(自身を除く): 1805531508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 243, 270, 282, 324, 405, 423, 470, 486, 540, 564, 705, 810, 846, 940, 972, 1215, 1269, 1410, 1620, 1692, 2115, 2430, 2538, 2820, 3571, 3807, 4230, 4860, 5076, 6345, 7142, 7614, 8460, 10713, 11421, 12690, 14284, 15228, 17855, 19035, 21426, 22842, 25380, 32139, 35710, 38070, 42852, 45684, 53565, 57105, 64278, 71420, 76140, 96417, 107130, 114210, 128556, 160695, 167837, 192834, 214260, 228420, 289251, 321390, 335674, 385668, 482085, 503511, 578502, 642780, 671348, 839185, 867753, 964170, 1007022, 1157004, 1446255, 1510533, 1678370, 1735506, 1928340, 2014044, 2517555, 2892510, 3021066, 3356740, 3471012, 4338765, 4531599, 5035110, 5785020, 6042132, 7552665, 8677530, 9063198, 10070220, 13594797, 15105330, 17355060, 18126396, 22657995, 27189594, 30210660, 40784391, 45315990, 54379188, 67973985, 81568782, 90631980, 135947970, 163137564, 203921955, 271895940, 407843910, 815687820]

約数ペア:

[(1, 815687820), (2, 407843910), (3, 271895940), (4, 203921955), (5, 163137564), (6, 135947970), (9, 90631980), (10, 81568782), (12, 67973985), (15, 54379188), (18, 45315990), (20, 40784391), (27, 30210660), (30, 27189594), (36, 22657995), (45, 18126396), (47, 17355060), (54, 15105330), (60, 13594797), (81, 10070220), (90, 9063198), (94, 8677530), (108, 7552665), (135, 6042132), (141, 5785020), (162, 5035110), (180, 4531599), (188, 4338765), (235, 3471012), (243, 3356740), (270, 3021066), (282, 2892510), (324, 2517555), (405, 2014044), (423, 1928340), (470, 1735506), (486, 1678370), (540, 1510533), (564, 1446255), (705, 1157004), (810, 1007022), (846, 964170), (940, 867753), (972, 839185), (1215, 671348), (1269, 642780), (1410, 578502), (1620, 503511), (1692, 482085), (2115, 385668), (2430, 335674), (2538, 321390), (2820, 289251), (3571, 228420), (3807, 214260), (4230, 192834), (4860, 167837), (5076, 160695), (6345, 128556), (7142, 114210), (7614, 107130), (8460, 96417), (10713, 76140), (11421, 71420), (12690, 64278), (14284, 57105), (15228, 53565), (17855, 45684), (19035, 42852), (21426, 38070), (22842, 35710), (25380, 32139)]