919905660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1206

約数の個数: 144

約数和(自身を含む): 2911813632

約数和(自身を除く): 1991907972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 191, 243, 270, 324, 382, 405, 486, 540, 573, 764, 810, 955, 972, 991, 1146, 1215, 1620, 1719, 1910, 1982, 2292, 2430, 2865, 2973, 3438, 3820, 3964, 4860, 4955, 5157, 5730, 5946, 6876, 8595, 8919, 9910, 10314, 11460, 11892, 14865, 15471, 17190, 17838, 19820, 20628, 25785, 26757, 29730, 30942, 34380, 35676, 44595, 46413, 51570, 53514, 59460, 61884, 77355, 80271, 89190, 92826, 103140, 107028, 133785, 154710, 160542, 178380, 185652, 189281, 232065, 240813, 267570, 309420, 321084, 378562, 401355, 464130, 481626, 535140, 567843, 757124, 802710, 928260, 946405, 963252, 1135686, 1204065, 1605420, 1703529, 1892810, 2271372, 2408130, 2839215, 3407058, 3785620, 4816260, 5110587, 5678430, 6814116, 8517645, 10221174, 11356860, 15331761, 17035290, 20442348, 25552935, 30663522, 34070580, 45995283, 51105870, 61327044, 76658805, 91990566, 102211740, 153317610, 183981132, 229976415, 306635220, 459952830, 919905660]

約数ペア:

[(1, 919905660), (2, 459952830), (3, 306635220), (4, 229976415), (5, 183981132), (6, 153317610), (9, 102211740), (10, 91990566), (12, 76658805), (15, 61327044), (18, 51105870), (20, 45995283), (27, 34070580), (30, 30663522), (36, 25552935), (45, 20442348), (54, 17035290), (60, 15331761), (81, 11356860), (90, 10221174), (108, 8517645), (135, 6814116), (162, 5678430), (180, 5110587), (191, 4816260), (243, 3785620), (270, 3407058), (324, 2839215), (382, 2408130), (405, 2271372), (486, 1892810), (540, 1703529), (573, 1605420), (764, 1204065), (810, 1135686), (955, 963252), (972, 946405), (991, 928260), (1146, 802710), (1215, 757124), (1620, 567843), (1719, 535140), (1910, 481626), (1982, 464130), (2292, 401355), (2430, 378562), (2865, 321084), (2973, 309420), (3438, 267570), (3820, 240813), (3964, 232065), (4860, 189281), (4955, 185652), (5157, 178380), (5730, 160542), (5946, 154710), (6876, 133785), (8595, 107028), (8919, 103140), (9910, 92826), (10314, 89190), (11460, 80271), (11892, 77355), (14865, 61884), (15471, 59460), (17190, 53514), (17838, 51570), (19820, 46413), (20628, 44595), (25785, 35676), (26757, 34380), (29730, 30942)]