811582720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 2348801280

約数和(自身を除く): 1537218560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 32, 34, 38, 40, 52, 64, 65, 68, 76, 80, 85, 95, 104, 128, 130, 136, 151, 152, 160, 170, 190, 208, 221, 247, 256, 260, 272, 302, 304, 320, 323, 340, 380, 416, 442, 494, 520, 544, 604, 608, 640, 646, 680, 755, 760, 832, 884, 988, 1040, 1088, 1105, 1208, 1216, 1235, 1280, 1292, 1360, 1510, 1520, 1615, 1664, 1768, 1963, 1976, 2080, 2176, 2210, 2416, 2432, 2470, 2567, 2584, 2720, 2869, 3020, 3040, 3230, 3328, 3536, 3926, 3952, 4160, 4199, 4352, 4420, 4832, 4864, 4940, 5134, 5168, 5440, 5738, 6040, 6080, 6460, 7072, 7852, 7904, 8320, 8398, 8840, 9664, 9815, 9880, 10268, 10336, 10880, 11476, 12080, 12160, 12835, 12920, 14144, 14345, 15704, 15808, 16640, 16796, 17680, 19328, 19630, 19760, 20536, 20672, 20995, 21760, 22952, 24160, 24320, 25670, 25840, 28288, 28690, 31408, 31616, 33371, 33592, 35360, 37297, 38656, 39260, 39520, 41072, 41344, 41990, 45904, 48320, 48773, 51340, 51680, 56576, 57380, 62816, 63232, 66742, 67184, 70720, 74594, 78520, 79040, 82144, 82688, 83980, 91808, 96640, 97546, 102680, 103360, 114760, 125632, 133484, 134368, 141440, 149188, 157040, 158080, 164288, 166855, 167960, 183616, 186485, 193280, 195092, 205360, 206720, 229520, 243865, 251264, 266968, 268736, 282880, 298376, 314080, 316160, 328576, 333710, 335920, 367232, 372970, 390184, 410720, 413440, 459040, 487730, 502528, 533936, 537472, 596752, 628160, 634049, 657152, 667420, 671840, 734464, 745940, 780368, 821440, 918080, 975460, 1067872, 1074944, 1193504, 1256320, 1268098, 1334840, 1343680, 1491880, 1560736, 1642880, 1836160, 1950920, 2135744, 2387008, 2512640, 2536196, 2669680, 2687360, 2983760, 3121472, 3170245, 3285760, 3672320, 3901840, 4271488, 4774016, 5072392, 5339360, 5374720, 5967520, 6242944, 6340490, 7803680, 8542976, 9548032, 10144784, 10678720, 11935040, 12485888, 12680980, 15607360, 20289568, 21357440, 23870080, 25361960, 31214720, 40579136, 42714880, 47740160, 50723920, 62429440, 81158272, 101447840, 162316544, 202895680, 405791360, 811582720]

約数ペア:

[(1, 811582720), (2, 405791360), (4, 202895680), (5, 162316544), (8, 101447840), (10, 81158272), (13, 62429440), (16, 50723920), (17, 47740160), (19, 42714880), (20, 40579136), (26, 31214720), (32, 25361960), (34, 23870080), (38, 21357440), (40, 20289568), (52, 15607360), (64, 12680980), (65, 12485888), (68, 11935040), (76, 10678720), (80, 10144784), (85, 9548032), (95, 8542976), (104, 7803680), (128, 6340490), (130, 6242944), (136, 5967520), (151, 5374720), (152, 5339360), (160, 5072392), (170, 4774016), (190, 4271488), (208, 3901840), (221, 3672320), (247, 3285760), (256, 3170245), (260, 3121472), (272, 2983760), (302, 2687360), (304, 2669680), (320, 2536196), (323, 2512640), (340, 2387008), (380, 2135744), (416, 1950920), (442, 1836160), (494, 1642880), (520, 1560736), (544, 1491880), (604, 1343680), (608, 1334840), (640, 1268098), (646, 1256320), (680, 1193504), (755, 1074944), (760, 1067872), (832, 975460), (884, 918080), (988, 821440), (1040, 780368), (1088, 745940), (1105, 734464), (1208, 671840), (1216, 667420), (1235, 657152), (1280, 634049), (1292, 628160), (1360, 596752), (1510, 537472), (1520, 533936), (1615, 502528), (1664, 487730), (1768, 459040), (1963, 413440), (1976, 410720), (2080, 390184), (2176, 372970), (2210, 367232), (2416, 335920), (2432, 333710), (2470, 328576), (2567, 316160), (2584, 314080), (2720, 298376), (2869, 282880), (3020, 268736), (3040, 266968), (3230, 251264), (3328, 243865), (3536, 229520), (3926, 206720), (3952, 205360), (4160, 195092), (4199, 193280), (4352, 186485), (4420, 183616), (4832, 167960), (4864, 166855), (4940, 164288), (5134, 158080), (5168, 157040), (5440, 149188), (5738, 141440), (6040, 134368), (6080, 133484), (6460, 125632), (7072, 114760), (7852, 103360), (7904, 102680), (8320, 97546), (8398, 96640), (8840, 91808), (9664, 83980), (9815, 82688), (9880, 82144), (10268, 79040), (10336, 78520), (10880, 74594), (11476, 70720), (12080, 67184), (12160, 66742), (12835, 63232), (12920, 62816), (14144, 57380), (14345, 56576), (15704, 51680), (15808, 51340), (16640, 48773), (16796, 48320), (17680, 45904), (19328, 41990), (19630, 41344), (19760, 41072), (20536, 39520), (20672, 39260), (20995, 38656), (21760, 37297), (22952, 35360), (24160, 33592), (24320, 33371), (25670, 31616), (25840, 31408), (28288, 28690)]