80478996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 211642368

約数和(自身を除く): 131163372

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 73, 74, 78, 111, 146, 148, 156, 191, 219, 222, 292, 382, 438, 444, 481, 573, 764, 876, 949, 962, 1146, 1443, 1898, 1924, 2292, 2483, 2701, 2847, 2886, 3796, 4966, 5402, 5694, 5772, 7067, 7449, 8103, 9932, 10804, 11388, 13943, 14134, 14898, 16206, 21201, 27886, 28268, 29796, 32412, 35113, 41829, 42402, 55772, 70226, 83658, 84804, 91871, 105339, 140452, 167316, 181259, 183742, 210678, 275613, 362518, 367484, 421356, 515891, 543777, 551226, 725036, 1031782, 1087554, 1102452, 1547673, 2063564, 2175108, 3095346, 6190692, 6706583, 13413166, 20119749, 26826332, 40239498, 80478996]

約数ペア:

[(1, 80478996), (2, 40239498), (3, 26826332), (4, 20119749), (6, 13413166), (12, 6706583), (13, 6190692), (26, 3095346), (37, 2175108), (39, 2063564), (52, 1547673), (73, 1102452), (74, 1087554), (78, 1031782), (111, 725036), (146, 551226), (148, 543777), (156, 515891), (191, 421356), (219, 367484), (222, 362518), (292, 275613), (382, 210678), (438, 183742), (444, 181259), (481, 167316), (573, 140452), (764, 105339), (876, 91871), (949, 84804), (962, 83658), (1146, 70226), (1443, 55772), (1898, 42402), (1924, 41829), (2292, 35113), (2483, 32412), (2701, 29796), (2847, 28268), (2886, 27886), (3796, 21201), (4966, 16206), (5402, 14898), (5694, 14134), (5772, 13943), (7067, 11388), (7449, 10804), (8103, 9932)]