66856920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2565

約数の個数: 128

約数和(自身を含む): 228795840

約数和(自身を除く): 161938920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2521, 2652, 3315, 4420, 5042, 5304, 6630, 7563, 8840, 10084, 12605, 13260, 15126, 20168, 25210, 26520, 30252, 32773, 37815, 42857, 50420, 60504, 65546, 75630, 85714, 98319, 100840, 128571, 131092, 151260, 163865, 171428, 196638, 214285, 257142, 262184, 302520, 327730, 342856, 393276, 428570, 491595, 514284, 557141, 642855, 655460, 786552, 857140, 983190, 1028568, 1114282, 1285710, 1310920, 1671423, 1714280, 1966380, 2228564, 2571420, 2785705, 3342846, 3932760, 4457128, 5142840, 5571410, 6685692, 8357115, 11142820, 13371384, 16714230, 22285640, 33428460, 66856920]

約数ペア:

[(1, 66856920), (2, 33428460), (3, 22285640), (4, 16714230), (5, 13371384), (6, 11142820), (8, 8357115), (10, 6685692), (12, 5571410), (13, 5142840), (15, 4457128), (17, 3932760), (20, 3342846), (24, 2785705), (26, 2571420), (30, 2228564), (34, 1966380), (39, 1714280), (40, 1671423), (51, 1310920), (52, 1285710), (60, 1114282), (65, 1028568), (68, 983190), (78, 857140), (85, 786552), (102, 655460), (104, 642855), (120, 557141), (130, 514284), (136, 491595), (156, 428570), (170, 393276), (195, 342856), (204, 327730), (221, 302520), (255, 262184), (260, 257142), (312, 214285), (340, 196638), (390, 171428), (408, 163865), (442, 151260), (510, 131092), (520, 128571), (663, 100840), (680, 98319), (780, 85714), (884, 75630), (1020, 65546), (1105, 60504), (1326, 50420), (1560, 42857), (1768, 37815), (2040, 32773), (2210, 30252), (2521, 26520), (2652, 25210), (3315, 20168), (4420, 15126), (5042, 13260), (5304, 12605), (6630, 10084), (7563, 8840)]