77776440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1747}}^1$

素因数の和:1821

約数の個数: 128

約数和(自身を含む): 271848960

約数和(自身を除く): 194072520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1747, 1855, 2120, 2226, 2968, 3180, 3494, 3710, 4452, 5241, 5565, 6360, 6988, 7420, 8735, 8904, 10482, 11130, 12229, 13976, 14840, 17470, 20964, 22260, 24458, 26205, 34940, 36687, 41928, 44520, 48916, 52410, 61145, 69880, 73374, 92591, 97832, 104820, 122290, 146748, 183435, 185182, 209640, 244580, 277773, 293496, 366870, 370364, 462955, 489160, 555546, 648137, 733740, 740728, 925910, 1111092, 1296274, 1388865, 1467480, 1851820, 1944411, 2222184, 2592548, 2777730, 3240685, 3703640, 3888822, 5185096, 5555460, 6481370, 7777644, 9722055, 11110920, 12962740, 15555288, 19444110, 25925480, 38888220, 77776440]

約数ペア:

[(1, 77776440), (2, 38888220), (3, 25925480), (4, 19444110), (5, 15555288), (6, 12962740), (7, 11110920), (8, 9722055), (10, 7777644), (12, 6481370), (14, 5555460), (15, 5185096), (20, 3888822), (21, 3703640), (24, 3240685), (28, 2777730), (30, 2592548), (35, 2222184), (40, 1944411), (42, 1851820), (53, 1467480), (56, 1388865), (60, 1296274), (70, 1111092), (84, 925910), (105, 740728), (106, 733740), (120, 648137), (140, 555546), (159, 489160), (168, 462955), (210, 370364), (212, 366870), (265, 293496), (280, 277773), (318, 244580), (371, 209640), (420, 185182), (424, 183435), (530, 146748), (636, 122290), (742, 104820), (795, 97832), (840, 92591), (1060, 73374), (1113, 69880), (1272, 61145), (1484, 52410), (1590, 48916), (1747, 44520), (1855, 41928), (2120, 36687), (2226, 34940), (2968, 26205), (3180, 24458), (3494, 22260), (3710, 20964), (4452, 17470), (5241, 14840), (5565, 13976), (6360, 12229), (6988, 11130), (7420, 10482), (8735, 8904)]