1655640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{73}}^1$

素因数の和:103

約数の個数: 160

約数和(自身を含む): 6446880

約数和(自身を除く): 4791240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 73, 81, 84, 90, 105, 108, 120, 126, 135, 140, 146, 162, 168, 180, 189, 210, 216, 219, 252, 270, 280, 292, 315, 324, 360, 365, 378, 405, 420, 438, 504, 511, 540, 567, 584, 630, 648, 657, 730, 756, 810, 840, 876, 945, 1022, 1080, 1095, 1134, 1260, 1314, 1460, 1512, 1533, 1620, 1752, 1890, 1971, 2044, 2190, 2268, 2520, 2555, 2628, 2835, 2920, 3066, 3240, 3285, 3780, 3942, 4088, 4380, 4536, 4599, 5110, 5256, 5670, 5913, 6132, 6570, 7560, 7665, 7884, 8760, 9198, 9855, 10220, 11340, 11826, 12264, 13140, 13797, 15330, 15768, 18396, 19710, 20440, 22680, 22995, 23652, 26280, 27594, 29565, 30660, 36792, 39420, 41391, 45990, 47304, 55188, 59130, 61320, 68985, 78840, 82782, 91980, 110376, 118260, 137970, 165564, 183960, 206955, 236520, 275940, 331128, 413910, 551880, 827820, 1655640]

約数ペア:

[(1, 1655640), (2, 827820), (3, 551880), (4, 413910), (5, 331128), (6, 275940), (7, 236520), (8, 206955), (9, 183960), (10, 165564), (12, 137970), (14, 118260), (15, 110376), (18, 91980), (20, 82782), (21, 78840), (24, 68985), (27, 61320), (28, 59130), (30, 55188), (35, 47304), (36, 45990), (40, 41391), (42, 39420), (45, 36792), (54, 30660), (56, 29565), (60, 27594), (63, 26280), (70, 23652), (72, 22995), (73, 22680), (81, 20440), (84, 19710), (90, 18396), (105, 15768), (108, 15330), (120, 13797), (126, 13140), (135, 12264), (140, 11826), (146, 11340), (162, 10220), (168, 9855), (180, 9198), (189, 8760), (210, 7884), (216, 7665), (219, 7560), (252, 6570), (270, 6132), (280, 5913), (292, 5670), (315, 5256), (324, 5110), (360, 4599), (365, 4536), (378, 4380), (405, 4088), (420, 3942), (438, 3780), (504, 3285), (511, 3240), (540, 3066), (567, 2920), (584, 2835), (630, 2628), (648, 2555), (657, 2520), (730, 2268), (756, 2190), (810, 2044), (840, 1971), (876, 1890), (945, 1752), (1022, 1620), (1080, 1533), (1095, 1512), (1134, 1460), (1260, 1314)]