51408840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 128

約数和(自身を含む): 180000000

約数和(自身を除く): 128591160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1249, 1372, 1470, 1715, 1960, 2058, 2498, 2744, 2940, 3430, 3747, 4116, 4996, 5145, 5880, 6245, 6860, 7494, 8232, 8743, 9992, 10290, 12490, 13720, 14988, 17486, 18735, 20580, 24980, 26229, 29976, 34972, 37470, 41160, 43715, 49960, 52458, 61201, 69944, 74940, 87430, 104916, 122402, 131145, 149880, 174860, 183603, 209832, 244804, 262290, 306005, 349720, 367206, 428407, 489608, 524580, 612010, 734412, 856814, 918015, 1049160, 1224020, 1285221, 1468824, 1713628, 1836030, 2142035, 2448040, 2570442, 3427256, 3672060, 4284070, 5140884, 6426105, 7344120, 8568140, 10281768, 12852210, 17136280, 25704420, 51408840]

約数ペア:

[(1, 51408840), (2, 25704420), (3, 17136280), (4, 12852210), (5, 10281768), (6, 8568140), (7, 7344120), (8, 6426105), (10, 5140884), (12, 4284070), (14, 3672060), (15, 3427256), (20, 2570442), (21, 2448040), (24, 2142035), (28, 1836030), (30, 1713628), (35, 1468824), (40, 1285221), (42, 1224020), (49, 1049160), (56, 918015), (60, 856814), (70, 734412), (84, 612010), (98, 524580), (105, 489608), (120, 428407), (140, 367206), (147, 349720), (168, 306005), (196, 262290), (210, 244804), (245, 209832), (280, 183603), (294, 174860), (343, 149880), (392, 131145), (420, 122402), (490, 104916), (588, 87430), (686, 74940), (735, 69944), (840, 61201), (980, 52458), (1029, 49960), (1176, 43715), (1249, 41160), (1372, 37470), (1470, 34972), (1715, 29976), (1960, 26229), (2058, 24980), (2498, 20580), (2744, 18735), (2940, 17486), (3430, 14988), (3747, 13720), (4116, 12490), (4996, 10290), (5145, 9992), (5880, 8743), (6245, 8232), (6860, 7494)]