1638780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 5419008

約数和(自身を除く): 3780228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 191, 195, 220, 260, 286, 330, 382, 390, 429, 572, 573, 660, 715, 764, 780, 858, 955, 1146, 1430, 1716, 1910, 2101, 2145, 2292, 2483, 2860, 2865, 3820, 4202, 4290, 4966, 5730, 6303, 7449, 8404, 8580, 9932, 10505, 11460, 12415, 12606, 14898, 21010, 24830, 25212, 27313, 29796, 31515, 37245, 42020, 49660, 54626, 63030, 74490, 81939, 109252, 126060, 136565, 148980, 163878, 273130, 327756, 409695, 546260, 819390, 1638780]

約数ペア:

[(1, 1638780), (2, 819390), (3, 546260), (4, 409695), (5, 327756), (6, 273130), (10, 163878), (11, 148980), (12, 136565), (13, 126060), (15, 109252), (20, 81939), (22, 74490), (26, 63030), (30, 54626), (33, 49660), (39, 42020), (44, 37245), (52, 31515), (55, 29796), (60, 27313), (65, 25212), (66, 24830), (78, 21010), (110, 14898), (130, 12606), (132, 12415), (143, 11460), (156, 10505), (165, 9932), (191, 8580), (195, 8404), (220, 7449), (260, 6303), (286, 5730), (330, 4966), (382, 4290), (390, 4202), (429, 3820), (572, 2865), (573, 2860), (660, 2483), (715, 2292), (764, 2145), (780, 2101), (858, 1910), (955, 1716), (1146, 1430)]