68679780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 208631808

約数和(自身を除く): 139952028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 191, 195, 260, 382, 390, 461, 573, 764, 780, 922, 955, 1146, 1383, 1844, 1910, 2292, 2305, 2483, 2766, 2865, 3820, 4610, 4966, 5532, 5730, 5993, 6915, 7449, 9220, 9932, 11460, 11986, 12415, 13830, 14898, 17979, 23972, 24830, 27660, 29796, 29965, 35958, 37245, 49660, 59930, 71916, 74490, 88051, 89895, 119860, 148980, 176102, 179790, 264153, 352204, 359580, 440255, 528306, 880510, 1056612, 1144663, 1320765, 1761020, 2289326, 2641530, 3433989, 4578652, 5283060, 5723315, 6867978, 11446630, 13735956, 17169945, 22893260, 34339890, 68679780]

約数ペア:

[(1, 68679780), (2, 34339890), (3, 22893260), (4, 17169945), (5, 13735956), (6, 11446630), (10, 6867978), (12, 5723315), (13, 5283060), (15, 4578652), (20, 3433989), (26, 2641530), (30, 2289326), (39, 1761020), (52, 1320765), (60, 1144663), (65, 1056612), (78, 880510), (130, 528306), (156, 440255), (191, 359580), (195, 352204), (260, 264153), (382, 179790), (390, 176102), (461, 148980), (573, 119860), (764, 89895), (780, 88051), (922, 74490), (955, 71916), (1146, 59930), (1383, 49660), (1844, 37245), (1910, 35958), (2292, 29965), (2305, 29796), (2483, 27660), (2766, 24830), (2865, 23972), (3820, 17979), (4610, 14898), (4966, 13830), (5532, 12415), (5730, 11986), (5993, 11460), (6915, 9932), (7449, 9220)]