320881860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:838

約数の個数: 144

約数和(自身を含む): 1054413360

約数和(自身を除く): 733531500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 241, 260, 390, 468, 482, 569, 585, 723, 780, 964, 1138, 1170, 1205, 1446, 1707, 2169, 2276, 2340, 2410, 2845, 2892, 3133, 3414, 3615, 4338, 4820, 5121, 5690, 6266, 6828, 7230, 7397, 8535, 8676, 9399, 10242, 10845, 11380, 12532, 14460, 14794, 15665, 17070, 18798, 20484, 21690, 22191, 25605, 28197, 29588, 31330, 34140, 36985, 37596, 43380, 44382, 46995, 51210, 56394, 62660, 66573, 73970, 88764, 93990, 102420, 110955, 112788, 133146, 137129, 140985, 147940, 187980, 221910, 266292, 274258, 281970, 332865, 411387, 443820, 548516, 563940, 665730, 685645, 822774, 1234161, 1331460, 1371290, 1645548, 1782677, 2056935, 2468322, 2742580, 3565354, 4113870, 4936644, 5348031, 6170805, 7130708, 8227740, 8913385, 10696062, 12341610, 16044093, 17826770, 21392124, 24683220, 26740155, 32088186, 35653540, 53480310, 64176372, 80220465, 106960620, 160440930, 320881860]

約数ペア:

[(1, 320881860), (2, 160440930), (3, 106960620), (4, 80220465), (5, 64176372), (6, 53480310), (9, 35653540), (10, 32088186), (12, 26740155), (13, 24683220), (15, 21392124), (18, 17826770), (20, 16044093), (26, 12341610), (30, 10696062), (36, 8913385), (39, 8227740), (45, 7130708), (52, 6170805), (60, 5348031), (65, 4936644), (78, 4113870), (90, 3565354), (117, 2742580), (130, 2468322), (156, 2056935), (180, 1782677), (195, 1645548), (234, 1371290), (241, 1331460), (260, 1234161), (390, 822774), (468, 685645), (482, 665730), (569, 563940), (585, 548516), (723, 443820), (780, 411387), (964, 332865), (1138, 281970), (1170, 274258), (1205, 266292), (1446, 221910), (1707, 187980), (2169, 147940), (2276, 140985), (2340, 137129), (2410, 133146), (2845, 112788), (2892, 110955), (3133, 102420), (3414, 93990), (3615, 88764), (4338, 73970), (4820, 66573), (5121, 62660), (5690, 56394), (6266, 51210), (6828, 46995), (7230, 44382), (7397, 43380), (8535, 37596), (8676, 36985), (9399, 34140), (10242, 31330), (10845, 29588), (11380, 28197), (12532, 25605), (14460, 22191), (14794, 21690), (15665, 20484), (17070, 18798)]