123315840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 432806400

約数和(自身を除く): 309490560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 271, 288, 316, 320, 360, 384, 395, 474, 480, 542, 576, 632, 640, 711, 720, 790, 813, 948, 960, 1084, 1152, 1185, 1264, 1355, 1422, 1440, 1580, 1626, 1896, 1920, 2168, 2370, 2439, 2528, 2710, 2844, 2880, 3160, 3252, 3555, 3792, 4065, 4336, 4740, 4878, 5056, 5420, 5688, 5760, 6320, 6504, 7110, 7584, 8130, 8672, 9480, 9756, 10112, 10840, 11376, 12195, 12640, 13008, 14220, 15168, 16260, 17344, 18960, 19512, 21409, 21680, 22752, 24390, 25280, 26016, 28440, 30336, 32520, 34688, 37920, 39024, 42818, 43360, 45504, 48780, 50560, 52032, 56880, 64227, 65040, 75840, 78048, 85636, 86720, 91008, 97560, 104064, 107045, 113760, 128454, 130080, 151680, 156096, 171272, 173440, 192681, 195120, 214090, 227520, 256908, 260160, 312192, 321135, 342544, 385362, 390240, 428180, 455040, 513816, 520320, 642270, 685088, 770724, 780480, 856360, 963405, 1027632, 1284540, 1370176, 1541448, 1560960, 1712720, 1926810, 2055264, 2569080, 2740352, 3082896, 3425440, 3853620, 4110528, 5138160, 6165792, 6850880, 7707240, 8221056, 10276320, 12331584, 13701760, 15414480, 20552640, 24663168, 30828960, 41105280, 61657920, 123315840]

約数ペア:

[(1, 123315840), (2, 61657920), (3, 41105280), (4, 30828960), (5, 24663168), (6, 20552640), (8, 15414480), (9, 13701760), (10, 12331584), (12, 10276320), (15, 8221056), (16, 7707240), (18, 6850880), (20, 6165792), (24, 5138160), (30, 4110528), (32, 3853620), (36, 3425440), (40, 3082896), (45, 2740352), (48, 2569080), (60, 2055264), (64, 1926810), (72, 1712720), (79, 1560960), (80, 1541448), (90, 1370176), (96, 1284540), (120, 1027632), (128, 963405), (144, 856360), (158, 780480), (160, 770724), (180, 685088), (192, 642270), (237, 520320), (240, 513816), (271, 455040), (288, 428180), (316, 390240), (320, 385362), (360, 342544), (384, 321135), (395, 312192), (474, 260160), (480, 256908), (542, 227520), (576, 214090), (632, 195120), (640, 192681), (711, 173440), (720, 171272), (790, 156096), (813, 151680), (948, 130080), (960, 128454), (1084, 113760), (1152, 107045), (1185, 104064), (1264, 97560), (1355, 91008), (1422, 86720), (1440, 85636), (1580, 78048), (1626, 75840), (1896, 65040), (1920, 64227), (2168, 56880), (2370, 52032), (2439, 50560), (2528, 48780), (2710, 45504), (2844, 43360), (2880, 42818), (3160, 39024), (3252, 37920), (3555, 34688), (3792, 32520), (4065, 30336), (4336, 28440), (4740, 26016), (4878, 25280), (5056, 24390), (5420, 22752), (5688, 21680), (5760, 21409), (6320, 19512), (6504, 18960), (7110, 17344), (7584, 16260), (8130, 15168), (8672, 14220), (9480, 13008), (9756, 12640), (10112, 12195), (10840, 11376)]