281630412

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 192

約数和(自身を含む): 879943680

約数和(自身を除く): 598313268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 61, 62, 63, 84, 93, 108, 122, 124, 126, 183, 186, 189, 197, 217, 244, 252, 279, 366, 372, 378, 394, 427, 434, 549, 558, 591, 651, 732, 756, 788, 837, 854, 868, 1098, 1116, 1182, 1281, 1302, 1379, 1647, 1674, 1708, 1773, 1891, 1953, 2196, 2364, 2562, 2604, 2758, 3294, 3348, 3546, 3782, 3843, 3906, 4137, 5124, 5319, 5516, 5673, 5859, 6107, 6588, 7092, 7564, 7686, 7812, 8274, 10638, 11346, 11529, 11718, 12017, 12214, 12411, 13237, 15372, 16548, 17019, 18321, 21276, 22692, 23058, 23436, 24034, 24428, 24822, 26474, 34038, 36051, 36642, 37233, 39711, 42749, 46116, 48068, 49644, 51057, 52948, 54963, 68076, 72102, 73284, 74466, 79422, 84119, 85498, 102114, 108153, 109926, 119133, 128247, 144204, 148932, 158844, 164889, 168238, 170996, 204228, 216306, 219852, 238266, 252357, 256494, 324459, 329778, 336476, 357399, 372527, 384741, 432612, 476532, 504714, 512988, 648918, 659556, 714798, 745054, 757071, 769482, 1009428, 1117581, 1154223, 1297836, 1429596, 1490108, 1514142, 1538964, 2235162, 2271213, 2308446, 2607689, 3028284, 3352743, 4470324, 4542426, 4616892, 5215378, 6705486, 7823067, 9084852, 10058229, 10430756, 13410972, 15646134, 20116458, 23469201, 31292268, 40232916, 46938402, 70407603, 93876804, 140815206, 281630412]

約数ペア:

[(1, 281630412), (2, 140815206), (3, 93876804), (4, 70407603), (6, 46938402), (7, 40232916), (9, 31292268), (12, 23469201), (14, 20116458), (18, 15646134), (21, 13410972), (27, 10430756), (28, 10058229), (31, 9084852), (36, 7823067), (42, 6705486), (54, 5215378), (61, 4616892), (62, 4542426), (63, 4470324), (84, 3352743), (93, 3028284), (108, 2607689), (122, 2308446), (124, 2271213), (126, 2235162), (183, 1538964), (186, 1514142), (189, 1490108), (197, 1429596), (217, 1297836), (244, 1154223), (252, 1117581), (279, 1009428), (366, 769482), (372, 757071), (378, 745054), (394, 714798), (427, 659556), (434, 648918), (549, 512988), (558, 504714), (591, 476532), (651, 432612), (732, 384741), (756, 372527), (788, 357399), (837, 336476), (854, 329778), (868, 324459), (1098, 256494), (1116, 252357), (1182, 238266), (1281, 219852), (1302, 216306), (1379, 204228), (1647, 170996), (1674, 168238), (1708, 164889), (1773, 158844), (1891, 148932), (1953, 144204), (2196, 128247), (2364, 119133), (2562, 109926), (2604, 108153), (2758, 102114), (3294, 85498), (3348, 84119), (3546, 79422), (3782, 74466), (3843, 73284), (3906, 72102), (4137, 68076), (5124, 54963), (5319, 52948), (5516, 51057), (5673, 49644), (5859, 48068), (6107, 46116), (6588, 42749), (7092, 39711), (7564, 37233), (7686, 36642), (7812, 36051), (8274, 34038), (10638, 26474), (11346, 24822), (11529, 24428), (11718, 24034), (12017, 23436), (12214, 23058), (12411, 22692), (13237, 21276), (15372, 18321), (16548, 17019)]