215231688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{503}}^1$

素因数の和:808

約数の個数: 128

約数和(自身を含む): 687052800

約数和(自身を除く): 471821112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 283, 378, 503, 504, 566, 756, 849, 1006, 1132, 1509, 1512, 1698, 1981, 2012, 2264, 2547, 3018, 3396, 3521, 3962, 4024, 4527, 5094, 5943, 6036, 6792, 7042, 7641, 7924, 9054, 10188, 10563, 11886, 12072, 13581, 14084, 15282, 15848, 17829, 18108, 20376, 21126, 23772, 27162, 28168, 30564, 31689, 35658, 36216, 42252, 47544, 53487, 54324, 61128, 63378, 71316, 84504, 95067, 106974, 108648, 126756, 142349, 142632, 190134, 213948, 253512, 284698, 380268, 427047, 427896, 569396, 760536, 854094, 996443, 1138792, 1281141, 1708188, 1992886, 2562282, 2989329, 3416376, 3843423, 3985772, 5124564, 5978658, 7686846, 7971544, 8967987, 10249128, 11957316, 15373692, 17935974, 23914632, 26903961, 30747384, 35871948, 53807922, 71743896, 107615844, 215231688]

約数ペア:

[(1, 215231688), (2, 107615844), (3, 71743896), (4, 53807922), (6, 35871948), (7, 30747384), (8, 26903961), (9, 23914632), (12, 17935974), (14, 15373692), (18, 11957316), (21, 10249128), (24, 8967987), (27, 7971544), (28, 7686846), (36, 5978658), (42, 5124564), (54, 3985772), (56, 3843423), (63, 3416376), (72, 2989329), (84, 2562282), (108, 1992886), (126, 1708188), (168, 1281141), (189, 1138792), (216, 996443), (252, 854094), (283, 760536), (378, 569396), (503, 427896), (504, 427047), (566, 380268), (756, 284698), (849, 253512), (1006, 213948), (1132, 190134), (1509, 142632), (1512, 142349), (1698, 126756), (1981, 108648), (2012, 106974), (2264, 95067), (2547, 84504), (3018, 71316), (3396, 63378), (3521, 61128), (3962, 54324), (4024, 53487), (4527, 47544), (5094, 42252), (5943, 36216), (6036, 35658), (6792, 31689), (7042, 30564), (7641, 28168), (7924, 27162), (9054, 23772), (10188, 21126), (10563, 20376), (11886, 18108), (12072, 17829), (13581, 15848), (14084, 15282)]