315996840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 192

約数和(自身を含む): 1069286400

約数和(自身を除く): 753289560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 79, 82, 90, 120, 123, 158, 164, 180, 205, 237, 246, 271, 316, 328, 360, 369, 395, 410, 474, 492, 542, 615, 632, 711, 738, 790, 813, 820, 948, 984, 1084, 1185, 1230, 1355, 1422, 1476, 1580, 1626, 1640, 1845, 1896, 2168, 2370, 2439, 2460, 2710, 2844, 2952, 3160, 3239, 3252, 3555, 3690, 4065, 4740, 4878, 4920, 5420, 5688, 6478, 6504, 7110, 7380, 8130, 9480, 9717, 9756, 10840, 11111, 12195, 12956, 14220, 14760, 16195, 16260, 19434, 19512, 21409, 22222, 24390, 25912, 28440, 29151, 32390, 32520, 33333, 38868, 42818, 44444, 48585, 48780, 55555, 58302, 64227, 64780, 66666, 77736, 85636, 88888, 97170, 97560, 99999, 107045, 111110, 116604, 128454, 129560, 133332, 145755, 166665, 171272, 192681, 194340, 199998, 214090, 222220, 233208, 256908, 266664, 291510, 321135, 333330, 385362, 388680, 399996, 428180, 444440, 499995, 513816, 583020, 642270, 666660, 770724, 799992, 856360, 877769, 963405, 999990, 1166040, 1284540, 1333320, 1541448, 1755538, 1926810, 1999980, 2569080, 2633307, 3511076, 3853620, 3999960, 4388845, 5266614, 7022152, 7707240, 7899921, 8777690, 10533228, 13166535, 15799842, 17555380, 21066456, 26333070, 31599684, 35110760, 39499605, 52666140, 63199368, 78999210, 105332280, 157998420, 315996840]

約数ペア:

[(1, 315996840), (2, 157998420), (3, 105332280), (4, 78999210), (5, 63199368), (6, 52666140), (8, 39499605), (9, 35110760), (10, 31599684), (12, 26333070), (15, 21066456), (18, 17555380), (20, 15799842), (24, 13166535), (30, 10533228), (36, 8777690), (40, 7899921), (41, 7707240), (45, 7022152), (60, 5266614), (72, 4388845), (79, 3999960), (82, 3853620), (90, 3511076), (120, 2633307), (123, 2569080), (158, 1999980), (164, 1926810), (180, 1755538), (205, 1541448), (237, 1333320), (246, 1284540), (271, 1166040), (316, 999990), (328, 963405), (360, 877769), (369, 856360), (395, 799992), (410, 770724), (474, 666660), (492, 642270), (542, 583020), (615, 513816), (632, 499995), (711, 444440), (738, 428180), (790, 399996), (813, 388680), (820, 385362), (948, 333330), (984, 321135), (1084, 291510), (1185, 266664), (1230, 256908), (1355, 233208), (1422, 222220), (1476, 214090), (1580, 199998), (1626, 194340), (1640, 192681), (1845, 171272), (1896, 166665), (2168, 145755), (2370, 133332), (2439, 129560), (2460, 128454), (2710, 116604), (2844, 111110), (2952, 107045), (3160, 99999), (3239, 97560), (3252, 97170), (3555, 88888), (3690, 85636), (4065, 77736), (4740, 66666), (4878, 64780), (4920, 64227), (5420, 58302), (5688, 55555), (6478, 48780), (6504, 48585), (7110, 44444), (7380, 42818), (8130, 38868), (9480, 33333), (9717, 32520), (9756, 32390), (10840, 29151), (11111, 28440), (12195, 25912), (12956, 24390), (14220, 22222), (14760, 21409), (16195, 19512), (16260, 19434)]