15679002820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{2011}}^1$

素因数の和:2381

約数の個数: 96

約数和(自身を含む): 35889186816

約数和(自身を除く): 20210183996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 191, 260, 314, 382, 628, 764, 785, 955, 1570, 1910, 2011, 2041, 2483, 3140, 3820, 4022, 4082, 4966, 8044, 8164, 9932, 10055, 10205, 12415, 20110, 20410, 24830, 26143, 29987, 40220, 40820, 49660, 52286, 59974, 104572, 119948, 130715, 149935, 261430, 299870, 315727, 384101, 389831, 522860, 599740, 631454, 768202, 779662, 1262908, 1536404, 1559324, 1578635, 1920505, 1949155, 3157270, 3841010, 3898310, 4104451, 4993313, 6314540, 7682020, 7796620, 8208902, 9986626, 16417804, 19973252, 20522255, 24966565, 41044510, 49933130, 60303857, 82089020, 99866260, 120607714, 241215428, 301519285, 603038570, 783950141, 1206077140, 1567900282, 3135800564, 3919750705, 7839501410, 15679002820]

約数ペア:

[(1, 15679002820), (2, 7839501410), (4, 3919750705), (5, 3135800564), (10, 1567900282), (13, 1206077140), (20, 783950141), (26, 603038570), (52, 301519285), (65, 241215428), (130, 120607714), (157, 99866260), (191, 82089020), (260, 60303857), (314, 49933130), (382, 41044510), (628, 24966565), (764, 20522255), (785, 19973252), (955, 16417804), (1570, 9986626), (1910, 8208902), (2011, 7796620), (2041, 7682020), (2483, 6314540), (3140, 4993313), (3820, 4104451), (4022, 3898310), (4082, 3841010), (4966, 3157270), (8044, 1949155), (8164, 1920505), (9932, 1578635), (10055, 1559324), (10205, 1536404), (12415, 1262908), (20110, 779662), (20410, 768202), (24830, 631454), (26143, 599740), (29987, 522860), (40220, 389831), (40820, 384101), (49660, 315727), (52286, 299870), (59974, 261430), (104572, 149935), (119948, 130715)]