19518720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 288

約数和(自身を含む): 74172672

約数和(自身を除く): 54653952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 23, 24, 26, 30, 32, 34, 39, 40, 46, 48, 51, 52, 60, 64, 65, 68, 69, 78, 80, 85, 92, 96, 102, 104, 115, 120, 128, 130, 136, 138, 156, 160, 170, 184, 192, 195, 204, 208, 221, 230, 240, 255, 256, 260, 272, 276, 299, 312, 320, 340, 345, 368, 384, 390, 391, 408, 416, 442, 460, 480, 510, 520, 544, 552, 598, 624, 640, 663, 680, 690, 736, 768, 780, 782, 816, 832, 884, 897, 920, 960, 1020, 1040, 1088, 1104, 1105, 1173, 1196, 1248, 1280, 1326, 1360, 1380, 1472, 1495, 1560, 1564, 1632, 1664, 1768, 1794, 1840, 1920, 1955, 2040, 2080, 2176, 2208, 2210, 2346, 2392, 2496, 2652, 2720, 2760, 2944, 2990, 3120, 3128, 3264, 3315, 3328, 3536, 3588, 3680, 3840, 3910, 4080, 4160, 4352, 4416, 4420, 4485, 4692, 4784, 4992, 5083, 5304, 5440, 5520, 5865, 5888, 5980, 6240, 6256, 6528, 6630, 7072, 7176, 7360, 7820, 8160, 8320, 8832, 8840, 8970, 9384, 9568, 9984, 10166, 10608, 10880, 11040, 11730, 11960, 12480, 12512, 13056, 13260, 14144, 14352, 14720, 15249, 15640, 16320, 16640, 17664, 17680, 17940, 18768, 19136, 20332, 21216, 21760, 22080, 23460, 23920, 24960, 25024, 25415, 26520, 28288, 28704, 29440, 30498, 31280, 32640, 35360, 35880, 37536, 38272, 40664, 42432, 44160, 46920, 47840, 49920, 50048, 50830, 53040, 56576, 57408, 60996, 62560, 65280, 70720, 71760, 75072, 76245, 76544, 81328, 84864, 88320, 93840, 95680, 100096, 101660, 106080, 114816, 121992, 125120, 141440, 143520, 150144, 152490, 162656, 169728, 187680, 191360, 203320, 212160, 229632, 243984, 250240, 282880, 287040, 300288, 304980, 325312, 375360, 382720, 406640, 424320, 487968, 500480, 574080, 609960, 650624, 750720, 813280, 848640, 975936, 1148160, 1219920, 1301248, 1501440, 1626560, 1951872, 2439840, 3253120, 3903744, 4879680, 6506240, 9759360, 19518720]

約数ペア:

[(1, 19518720), (2, 9759360), (3, 6506240), (4, 4879680), (5, 3903744), (6, 3253120), (8, 2439840), (10, 1951872), (12, 1626560), (13, 1501440), (15, 1301248), (16, 1219920), (17, 1148160), (20, 975936), (23, 848640), (24, 813280), (26, 750720), (30, 650624), (32, 609960), (34, 574080), (39, 500480), (40, 487968), (46, 424320), (48, 406640), (51, 382720), (52, 375360), (60, 325312), (64, 304980), (65, 300288), (68, 287040), (69, 282880), (78, 250240), (80, 243984), (85, 229632), (92, 212160), (96, 203320), (102, 191360), (104, 187680), (115, 169728), (120, 162656), (128, 152490), (130, 150144), (136, 143520), (138, 141440), (156, 125120), (160, 121992), (170, 114816), (184, 106080), (192, 101660), (195, 100096), (204, 95680), (208, 93840), (221, 88320), (230, 84864), (240, 81328), (255, 76544), (256, 76245), (260, 75072), (272, 71760), (276, 70720), (299, 65280), (312, 62560), (320, 60996), (340, 57408), (345, 56576), (368, 53040), (384, 50830), (390, 50048), (391, 49920), (408, 47840), (416, 46920), (442, 44160), (460, 42432), (480, 40664), (510, 38272), (520, 37536), (544, 35880), (552, 35360), (598, 32640), (624, 31280), (640, 30498), (663, 29440), (680, 28704), (690, 28288), (736, 26520), (768, 25415), (780, 25024), (782, 24960), (816, 23920), (832, 23460), (884, 22080), (897, 21760), (920, 21216), (960, 20332), (1020, 19136), (1040, 18768), (1088, 17940), (1104, 17680), (1105, 17664), (1173, 16640), (1196, 16320), (1248, 15640), (1280, 15249), (1326, 14720), (1360, 14352), (1380, 14144), (1472, 13260), (1495, 13056), (1560, 12512), (1564, 12480), (1632, 11960), (1664, 11730), (1768, 11040), (1794, 10880), (1840, 10608), (1920, 10166), (1955, 9984), (2040, 9568), (2080, 9384), (2176, 8970), (2208, 8840), (2210, 8832), (2346, 8320), (2392, 8160), (2496, 7820), (2652, 7360), (2720, 7176), (2760, 7072), (2944, 6630), (2990, 6528), (3120, 6256), (3128, 6240), (3264, 5980), (3315, 5888), (3328, 5865), (3536, 5520), (3588, 5440), (3680, 5304), (3840, 5083), (3910, 4992), (4080, 4784), (4160, 4692), (4352, 4485), (4416, 4420)]