280289880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 288

約数和(自身を含む): 1048282560

約数和(自身を除く): 767992680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 169, 170, 180, 195, 204, 221, 234, 255, 260, 271, 306, 312, 338, 340, 360, 390, 408, 442, 468, 507, 510, 520, 542, 585, 612, 663, 676, 680, 765, 780, 813, 845, 884, 936, 1014, 1020, 1084, 1105, 1170, 1224, 1326, 1352, 1355, 1521, 1530, 1560, 1626, 1690, 1768, 1989, 2028, 2040, 2168, 2210, 2340, 2439, 2535, 2652, 2710, 2873, 3042, 3060, 3252, 3315, 3380, 3523, 3978, 4056, 4065, 4420, 4607, 4680, 4878, 5070, 5304, 5420, 5746, 6084, 6120, 6504, 6630, 6760, 7046, 7605, 7956, 8130, 8619, 8840, 9214, 9756, 9945, 10140, 10569, 10840, 11492, 12168, 12195, 13260, 13821, 14092, 14365, 15210, 15912, 16260, 17238, 17615, 18428, 19512, 19890, 20280, 21138, 22984, 23035, 24390, 25857, 26520, 27642, 28184, 28730, 30420, 31707, 32520, 34476, 35230, 36856, 39780, 41463, 42276, 43095, 45799, 46070, 48780, 51714, 52845, 55284, 57460, 59891, 60840, 63414, 68952, 69105, 70460, 79560, 82926, 84552, 86190, 91598, 92140, 97560, 103428, 105690, 110568, 114920, 119782, 126828, 129285, 137397, 138210, 140920, 158535, 165852, 172380, 179673, 183196, 184280, 206856, 207315, 211380, 228995, 239564, 253656, 258570, 274794, 276420, 299455, 317070, 331704, 344760, 359346, 366392, 412191, 414630, 422760, 457990, 479128, 517140, 539019, 549588, 552840, 598910, 634140, 686985, 718692, 778583, 824382, 829260, 898365, 915980, 1034280, 1078038, 1099176, 1197820, 1268280, 1373970, 1437384, 1557166, 1648764, 1658520, 1796730, 1831960, 2060955, 2156076, 2335749, 2395640, 2695095, 2747940, 3114332, 3297528, 3593460, 3892915, 4121910, 4312152, 4671498, 5390190, 5495880, 6228664, 7007247, 7186920, 7785830, 8243820, 9342996, 10780380, 11678745, 14014494, 15571660, 16487640, 18685992, 21560760, 23357490, 28028988, 31143320, 35036235, 46714980, 56057976, 70072470, 93429960, 140144940, 280289880]

約数ペア:

[(1, 280289880), (2, 140144940), (3, 93429960), (4, 70072470), (5, 56057976), (6, 46714980), (8, 35036235), (9, 31143320), (10, 28028988), (12, 23357490), (13, 21560760), (15, 18685992), (17, 16487640), (18, 15571660), (20, 14014494), (24, 11678745), (26, 10780380), (30, 9342996), (34, 8243820), (36, 7785830), (39, 7186920), (40, 7007247), (45, 6228664), (51, 5495880), (52, 5390190), (60, 4671498), (65, 4312152), (68, 4121910), (72, 3892915), (78, 3593460), (85, 3297528), (90, 3114332), (102, 2747940), (104, 2695095), (117, 2395640), (120, 2335749), (130, 2156076), (136, 2060955), (153, 1831960), (156, 1796730), (169, 1658520), (170, 1648764), (180, 1557166), (195, 1437384), (204, 1373970), (221, 1268280), (234, 1197820), (255, 1099176), (260, 1078038), (271, 1034280), (306, 915980), (312, 898365), (338, 829260), (340, 824382), (360, 778583), (390, 718692), (408, 686985), (442, 634140), (468, 598910), (507, 552840), (510, 549588), (520, 539019), (542, 517140), (585, 479128), (612, 457990), (663, 422760), (676, 414630), (680, 412191), (765, 366392), (780, 359346), (813, 344760), (845, 331704), (884, 317070), (936, 299455), (1014, 276420), (1020, 274794), (1084, 258570), (1105, 253656), (1170, 239564), (1224, 228995), (1326, 211380), (1352, 207315), (1355, 206856), (1521, 184280), (1530, 183196), (1560, 179673), (1626, 172380), (1690, 165852), (1768, 158535), (1989, 140920), (2028, 138210), (2040, 137397), (2168, 129285), (2210, 126828), (2340, 119782), (2439, 114920), (2535, 110568), (2652, 105690), (2710, 103428), (2873, 97560), (3042, 92140), (3060, 91598), (3252, 86190), (3315, 84552), (3380, 82926), (3523, 79560), (3978, 70460), (4056, 69105), (4065, 68952), (4420, 63414), (4607, 60840), (4680, 59891), (4878, 57460), (5070, 55284), (5304, 52845), (5420, 51714), (5746, 48780), (6084, 46070), (6120, 45799), (6504, 43095), (6630, 42276), (6760, 41463), (7046, 39780), (7605, 36856), (7956, 35230), (8130, 34476), (8619, 32520), (8840, 31707), (9214, 30420), (9756, 28730), (9945, 28184), (10140, 27642), (10569, 26520), (10840, 25857), (11492, 24390), (12168, 23035), (12195, 22984), (13260, 21138), (13821, 20280), (14092, 19890), (14365, 19512), (15210, 18428), (15912, 17615), (16260, 17238)]