78911820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1286

約数の個数: 144

約数和(自身を含む): 267540000

約数和(自身を除く): 188628180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1249, 1404, 1620, 1755, 2106, 2340, 2430, 2498, 3159, 3510, 3747, 4212, 4860, 4996, 5265, 6245, 6318, 7020, 7494, 10530, 11241, 12490, 12636, 14988, 15795, 16237, 18735, 21060, 22482, 24980, 31590, 32474, 33723, 37470, 44964, 48711, 56205, 63180, 64948, 67446, 74940, 81185, 97422, 101169, 112410, 134892, 146133, 162370, 168615, 194844, 202338, 224820, 243555, 292266, 303507, 324740, 337230, 404676, 438399, 487110, 505845, 584532, 607014, 674460, 730665, 876798, 974220, 1011690, 1214028, 1315197, 1461330, 1517535, 1753596, 2023380, 2191995, 2630394, 2922660, 3035070, 3945591, 4383990, 5260788, 6070140, 6575985, 7891182, 8767980, 13151970, 15782364, 19727955, 26303940, 39455910, 78911820]

約数ペア:

[(1, 78911820), (2, 39455910), (3, 26303940), (4, 19727955), (5, 15782364), (6, 13151970), (9, 8767980), (10, 7891182), (12, 6575985), (13, 6070140), (15, 5260788), (18, 4383990), (20, 3945591), (26, 3035070), (27, 2922660), (30, 2630394), (36, 2191995), (39, 2023380), (45, 1753596), (52, 1517535), (54, 1461330), (60, 1315197), (65, 1214028), (78, 1011690), (81, 974220), (90, 876798), (108, 730665), (117, 674460), (130, 607014), (135, 584532), (156, 505845), (162, 487110), (180, 438399), (195, 404676), (234, 337230), (243, 324740), (260, 303507), (270, 292266), (324, 243555), (351, 224820), (390, 202338), (405, 194844), (468, 168615), (486, 162370), (540, 146133), (585, 134892), (702, 112410), (780, 101169), (810, 97422), (972, 81185), (1053, 74940), (1170, 67446), (1215, 64948), (1249, 63180), (1404, 56205), (1620, 48711), (1755, 44964), (2106, 37470), (2340, 33723), (2430, 32474), (2498, 31590), (3159, 24980), (3510, 22482), (3747, 21060), (4212, 18735), (4860, 16237), (4996, 15795), (5265, 14988), (6245, 12636), (6318, 12490), (7020, 11241), (7494, 10530)]