178671870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 144

約数和(自身を含む): 533390832

約数和(自身を除く): 354718962

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 169, 170, 195, 221, 234, 255, 306, 338, 390, 442, 507, 510, 585, 663, 691, 765, 845, 1014, 1105, 1170, 1326, 1382, 1521, 1530, 1690, 1989, 2073, 2210, 2535, 2873, 3042, 3315, 3455, 3978, 4146, 5070, 5746, 6219, 6630, 6910, 7605, 8619, 8983, 9945, 10365, 11747, 12438, 14365, 15210, 17238, 17966, 19890, 20730, 23494, 25857, 26949, 28730, 31095, 35241, 43095, 44915, 51714, 53898, 58735, 62190, 70482, 80847, 86190, 89830, 105723, 116779, 117470, 129285, 134745, 152711, 161694, 176205, 211446, 233558, 258570, 269490, 305422, 350337, 352410, 404235, 458133, 528615, 583895, 700674, 763555, 808470, 916266, 1051011, 1057230, 1167790, 1374399, 1527110, 1751685, 1985243, 2102022, 2290665, 2748798, 3503370, 3970486, 4581330, 5255055, 5955729, 6871995, 9926215, 10510110, 11911458, 13743990, 17867187, 19852430, 29778645, 35734374, 59557290, 89335935, 178671870]

約数ペア:

[(1, 178671870), (2, 89335935), (3, 59557290), (5, 35734374), (6, 29778645), (9, 19852430), (10, 17867187), (13, 13743990), (15, 11911458), (17, 10510110), (18, 9926215), (26, 6871995), (30, 5955729), (34, 5255055), (39, 4581330), (45, 3970486), (51, 3503370), (65, 2748798), (78, 2290665), (85, 2102022), (90, 1985243), (102, 1751685), (117, 1527110), (130, 1374399), (153, 1167790), (169, 1057230), (170, 1051011), (195, 916266), (221, 808470), (234, 763555), (255, 700674), (306, 583895), (338, 528615), (390, 458133), (442, 404235), (507, 352410), (510, 350337), (585, 305422), (663, 269490), (691, 258570), (765, 233558), (845, 211446), (1014, 176205), (1105, 161694), (1170, 152711), (1326, 134745), (1382, 129285), (1521, 117470), (1530, 116779), (1690, 105723), (1989, 89830), (2073, 86190), (2210, 80847), (2535, 70482), (2873, 62190), (3042, 58735), (3315, 53898), (3455, 51714), (3978, 44915), (4146, 43095), (5070, 35241), (5746, 31095), (6219, 28730), (6630, 26949), (6910, 25857), (7605, 23494), (8619, 20730), (8983, 19890), (9945, 17966), (10365, 17238), (11747, 15210), (12438, 14365)]