2870910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 128

約数和(自身を含む): 9216000

約数和(自身を除く): 6345090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 49, 54, 62, 63, 70, 90, 93, 98, 105, 126, 135, 147, 155, 186, 189, 210, 217, 245, 270, 279, 294, 310, 315, 343, 378, 434, 441, 465, 490, 558, 630, 651, 686, 735, 837, 882, 930, 945, 1029, 1085, 1302, 1323, 1395, 1470, 1519, 1674, 1715, 1890, 1953, 2058, 2170, 2205, 2646, 2790, 3038, 3087, 3255, 3430, 3906, 4185, 4410, 4557, 5145, 5859, 6174, 6510, 6615, 7595, 8370, 9114, 9261, 9765, 10290, 10633, 11718, 13230, 13671, 15190, 15435, 18522, 19530, 21266, 22785, 27342, 29295, 30870, 31899, 41013, 45570, 46305, 53165, 58590, 63798, 68355, 82026, 92610, 95697, 106330, 136710, 159495, 191394, 205065, 287091, 318990, 410130, 478485, 574182, 956970, 1435455, 2870910]

約数ペア:

[(1, 2870910), (2, 1435455), (3, 956970), (5, 574182), (6, 478485), (7, 410130), (9, 318990), (10, 287091), (14, 205065), (15, 191394), (18, 159495), (21, 136710), (27, 106330), (30, 95697), (31, 92610), (35, 82026), (42, 68355), (45, 63798), (49, 58590), (54, 53165), (62, 46305), (63, 45570), (70, 41013), (90, 31899), (93, 30870), (98, 29295), (105, 27342), (126, 22785), (135, 21266), (147, 19530), (155, 18522), (186, 15435), (189, 15190), (210, 13671), (217, 13230), (245, 11718), (270, 10633), (279, 10290), (294, 9765), (310, 9261), (315, 9114), (343, 8370), (378, 7595), (434, 6615), (441, 6510), (465, 6174), (490, 5859), (558, 5145), (630, 4557), (651, 4410), (686, 4185), (735, 3906), (837, 3430), (882, 3255), (930, 3087), (945, 3038), (1029, 2790), (1085, 2646), (1302, 2205), (1323, 2170), (1395, 2058), (1470, 1953), (1519, 1890), (1674, 1715)]