387770240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 256

約数和(自身を含む): 1151539200

約数和(自身を除く): 763768960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 32, 38, 40, 44, 52, 55, 64, 65, 76, 80, 88, 95, 104, 110, 128, 130, 143, 152, 160, 176, 190, 208, 209, 220, 223, 247, 260, 286, 304, 320, 352, 380, 416, 418, 440, 446, 494, 520, 572, 608, 640, 704, 715, 760, 832, 836, 880, 892, 988, 1040, 1045, 1115, 1144, 1216, 1235, 1408, 1430, 1520, 1664, 1672, 1760, 1784, 1976, 2080, 2090, 2230, 2288, 2432, 2453, 2470, 2717, 2860, 2899, 3040, 3344, 3520, 3568, 3952, 4160, 4180, 4237, 4460, 4576, 4906, 4940, 5434, 5720, 5798, 6080, 6688, 7040, 7136, 7904, 8320, 8360, 8474, 8920, 9152, 9812, 9880, 10868, 11440, 11596, 12160, 12265, 13376, 13585, 14272, 14495, 15808, 16720, 16948, 17840, 18304, 19624, 19760, 21185, 21736, 22880, 23192, 24530, 26752, 27170, 28544, 28990, 31616, 31889, 33440, 33896, 35680, 39248, 39520, 42370, 43472, 45760, 46384, 46607, 49060, 54340, 55081, 57980, 63778, 66880, 67792, 71360, 78496, 79040, 84740, 86944, 91520, 92768, 93214, 98120, 108680, 110162, 115960, 127556, 133760, 135584, 142720, 156992, 158080, 159445, 169480, 173888, 185536, 186428, 196240, 217360, 220324, 231920, 233035, 255112, 271168, 275405, 313984, 318890, 338960, 347776, 371072, 372856, 392480, 434720, 440648, 463840, 466070, 510224, 542336, 550810, 605891, 637780, 677920, 745712, 784960, 869440, 881296, 927680, 932140, 1020448, 1101620, 1211782, 1275560, 1355840, 1491424, 1569920, 1738880, 1762592, 1855360, 1864280, 2040896, 2203240, 2423564, 2551120, 2711680, 2982848, 3029455, 3525184, 3728560, 4081792, 4406480, 4847128, 5102240, 5965696, 6058910, 7050368, 7457120, 8812960, 9694256, 10204480, 12117820, 14914240, 17625920, 19388512, 20408960, 24235640, 29828480, 35251840, 38777024, 48471280, 77554048, 96942560, 193885120, 387770240]

約数ペア:

[(1, 387770240), (2, 193885120), (4, 96942560), (5, 77554048), (8, 48471280), (10, 38777024), (11, 35251840), (13, 29828480), (16, 24235640), (19, 20408960), (20, 19388512), (22, 17625920), (26, 14914240), (32, 12117820), (38, 10204480), (40, 9694256), (44, 8812960), (52, 7457120), (55, 7050368), (64, 6058910), (65, 5965696), (76, 5102240), (80, 4847128), (88, 4406480), (95, 4081792), (104, 3728560), (110, 3525184), (128, 3029455), (130, 2982848), (143, 2711680), (152, 2551120), (160, 2423564), (176, 2203240), (190, 2040896), (208, 1864280), (209, 1855360), (220, 1762592), (223, 1738880), (247, 1569920), (260, 1491424), (286, 1355840), (304, 1275560), (320, 1211782), (352, 1101620), (380, 1020448), (416, 932140), (418, 927680), (440, 881296), (446, 869440), (494, 784960), (520, 745712), (572, 677920), (608, 637780), (640, 605891), (704, 550810), (715, 542336), (760, 510224), (832, 466070), (836, 463840), (880, 440648), (892, 434720), (988, 392480), (1040, 372856), (1045, 371072), (1115, 347776), (1144, 338960), (1216, 318890), (1235, 313984), (1408, 275405), (1430, 271168), (1520, 255112), (1664, 233035), (1672, 231920), (1760, 220324), (1784, 217360), (1976, 196240), (2080, 186428), (2090, 185536), (2230, 173888), (2288, 169480), (2432, 159445), (2453, 158080), (2470, 156992), (2717, 142720), (2860, 135584), (2899, 133760), (3040, 127556), (3344, 115960), (3520, 110162), (3568, 108680), (3952, 98120), (4160, 93214), (4180, 92768), (4237, 91520), (4460, 86944), (4576, 84740), (4906, 79040), (4940, 78496), (5434, 71360), (5720, 67792), (5798, 66880), (6080, 63778), (6688, 57980), (7040, 55081), (7136, 54340), (7904, 49060), (8320, 46607), (8360, 46384), (8474, 45760), (8920, 43472), (9152, 42370), (9812, 39520), (9880, 39248), (10868, 35680), (11440, 33896), (11596, 33440), (12160, 31889), (12265, 31616), (13376, 28990), (13585, 28544), (14272, 27170), (14495, 26752), (15808, 24530), (16720, 23192), (16948, 22880), (17840, 21736), (18304, 21185), (19624, 19760)]