71225910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 144

約数和(自身を含む): 222797952

約数和(自身を除く): 151572042

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 217, 245, 279, 294, 310, 315, 434, 441, 465, 490, 521, 558, 630, 651, 735, 882, 930, 1042, 1085, 1302, 1395, 1470, 1519, 1563, 1953, 2170, 2205, 2605, 2790, 3038, 3126, 3255, 3647, 3906, 4410, 4557, 4689, 5210, 6510, 7294, 7595, 7815, 9114, 9378, 9765, 10941, 13671, 15190, 15630, 16151, 18235, 19530, 21882, 22785, 23445, 25529, 27342, 32302, 32823, 36470, 45570, 46890, 48453, 51058, 54705, 65646, 68355, 76587, 80755, 96906, 109410, 113057, 127645, 136710, 145359, 153174, 161510, 164115, 226114, 229761, 242265, 255290, 290718, 328230, 339171, 382935, 459522, 484530, 565285, 678342, 726795, 765870, 791399, 1017513, 1130570, 1148805, 1453590, 1582798, 1695855, 2035026, 2297610, 2374197, 3391710, 3956995, 4748394, 5087565, 7122591, 7913990, 10175130, 11870985, 14245182, 23741970, 35612955, 71225910]

約数ペア:

[(1, 71225910), (2, 35612955), (3, 23741970), (5, 14245182), (6, 11870985), (7, 10175130), (9, 7913990), (10, 7122591), (14, 5087565), (15, 4748394), (18, 3956995), (21, 3391710), (30, 2374197), (31, 2297610), (35, 2035026), (42, 1695855), (45, 1582798), (49, 1453590), (62, 1148805), (63, 1130570), (70, 1017513), (90, 791399), (93, 765870), (98, 726795), (105, 678342), (126, 565285), (147, 484530), (155, 459522), (186, 382935), (210, 339171), (217, 328230), (245, 290718), (279, 255290), (294, 242265), (310, 229761), (315, 226114), (434, 164115), (441, 161510), (465, 153174), (490, 145359), (521, 136710), (558, 127645), (630, 113057), (651, 109410), (735, 96906), (882, 80755), (930, 76587), (1042, 68355), (1085, 65646), (1302, 54705), (1395, 51058), (1470, 48453), (1519, 46890), (1563, 45570), (1953, 36470), (2170, 32823), (2205, 32302), (2605, 27342), (2790, 25529), (3038, 23445), (3126, 22785), (3255, 21882), (3647, 19530), (3906, 18235), (4410, 16151), (4557, 15630), (4689, 15190), (5210, 13671), (6510, 10941), (7294, 9765), (7595, 9378), (7815, 9114)]