1408290660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6857}}^1$

素因数の和:7042

約数の個数: 144

約数和(自身を含む): 4912742016

約数和(自身を除く): 3504451356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 420, 489, 630, 652, 815, 978, 1141, 1260, 1467, 1630, 1956, 2282, 2445, 2934, 3260, 3423, 4564, 4890, 5705, 5868, 6846, 6857, 7335, 9780, 10269, 11410, 13692, 13714, 14670, 17115, 20538, 20571, 22820, 27428, 29340, 34230, 34285, 41076, 41142, 47999, 51345, 61713, 68460, 68570, 82284, 95998, 102690, 102855, 123426, 137140, 143997, 191996, 205380, 205710, 239995, 246852, 287994, 308565, 411420, 431991, 479990, 575988, 617130, 719985, 863982, 959980, 1117691, 1234260, 1439970, 1727964, 2159955, 2235382, 2879940, 3353073, 4319910, 4470764, 5588455, 6706146, 7823837, 8639820, 10059219, 11176910, 13412292, 15647674, 16765365, 20118438, 22353820, 23471511, 31295348, 33530730, 39119185, 40236876, 46943022, 50296095, 67061460, 70414533, 78238370, 93886044, 100592190, 117357555, 140829066, 156476740, 201184380, 234715110, 281658132, 352072665, 469430220, 704145330, 1408290660]

約数ペア:

[(1, 1408290660), (2, 704145330), (3, 469430220), (4, 352072665), (5, 281658132), (6, 234715110), (7, 201184380), (9, 156476740), (10, 140829066), (12, 117357555), (14, 100592190), (15, 93886044), (18, 78238370), (20, 70414533), (21, 67061460), (28, 50296095), (30, 46943022), (35, 40236876), (36, 39119185), (42, 33530730), (45, 31295348), (60, 23471511), (63, 22353820), (70, 20118438), (84, 16765365), (90, 15647674), (105, 13412292), (126, 11176910), (140, 10059219), (163, 8639820), (180, 7823837), (210, 6706146), (252, 5588455), (315, 4470764), (326, 4319910), (420, 3353073), (489, 2879940), (630, 2235382), (652, 2159955), (815, 1727964), (978, 1439970), (1141, 1234260), (1260, 1117691), (1467, 959980), (1630, 863982), (1956, 719985), (2282, 617130), (2445, 575988), (2934, 479990), (3260, 431991), (3423, 411420), (4564, 308565), (4890, 287994), (5705, 246852), (5868, 239995), (6846, 205710), (6857, 205380), (7335, 191996), (9780, 143997), (10269, 137140), (11410, 123426), (13692, 102855), (13714, 102690), (14670, 95998), (17115, 82284), (20538, 68570), (20571, 68460), (22820, 61713), (27428, 51345), (29340, 47999), (34230, 41142), (34285, 41076)]