13091820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 43934688

約数和(自身を除く): 30842868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 73, 84, 98, 105, 122, 140, 146, 147, 183, 196, 210, 219, 244, 245, 292, 294, 305, 365, 366, 420, 427, 438, 490, 511, 588, 610, 730, 732, 735, 854, 876, 915, 980, 1022, 1095, 1220, 1281, 1460, 1470, 1533, 1708, 1830, 2044, 2135, 2190, 2555, 2562, 2940, 2989, 3066, 3577, 3660, 4270, 4380, 4453, 5110, 5124, 5978, 6132, 6405, 7154, 7665, 8540, 8906, 8967, 10220, 10731, 11956, 12810, 13359, 14308, 14945, 15330, 17812, 17885, 17934, 21462, 22265, 25620, 26718, 29890, 30660, 31171, 35770, 35868, 42924, 44530, 44835, 53436, 53655, 59780, 62342, 66795, 71540, 89060, 89670, 93513, 107310, 124684, 133590, 155855, 179340, 187026, 214620, 218197, 267180, 311710, 374052, 436394, 467565, 623420, 654591, 872788, 935130, 1090985, 1309182, 1870260, 2181970, 2618364, 3272955, 4363940, 6545910, 13091820]

約数ペア:

[(1, 13091820), (2, 6545910), (3, 4363940), (4, 3272955), (5, 2618364), (6, 2181970), (7, 1870260), (10, 1309182), (12, 1090985), (14, 935130), (15, 872788), (20, 654591), (21, 623420), (28, 467565), (30, 436394), (35, 374052), (42, 311710), (49, 267180), (60, 218197), (61, 214620), (70, 187026), (73, 179340), (84, 155855), (98, 133590), (105, 124684), (122, 107310), (140, 93513), (146, 89670), (147, 89060), (183, 71540), (196, 66795), (210, 62342), (219, 59780), (244, 53655), (245, 53436), (292, 44835), (294, 44530), (305, 42924), (365, 35868), (366, 35770), (420, 31171), (427, 30660), (438, 29890), (490, 26718), (511, 25620), (588, 22265), (610, 21462), (730, 17934), (732, 17885), (735, 17812), (854, 15330), (876, 14945), (915, 14308), (980, 13359), (1022, 12810), (1095, 11956), (1220, 10731), (1281, 10220), (1460, 8967), (1470, 8906), (1533, 8540), (1708, 7665), (1830, 7154), (2044, 6405), (2135, 6132), (2190, 5978), (2555, 5124), (2562, 5110), (2940, 4453), (2989, 4380), (3066, 4270), (3577, 3660)]