278152680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 256

約数和(自身を含む): 949939200

約数和(自身を除く): 671786520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 61, 65, 74, 78, 79, 104, 111, 120, 122, 130, 148, 156, 158, 183, 185, 195, 222, 237, 244, 260, 296, 305, 312, 316, 366, 370, 390, 395, 444, 474, 481, 488, 520, 555, 610, 632, 732, 740, 780, 790, 793, 888, 915, 948, 962, 1027, 1110, 1185, 1220, 1443, 1464, 1480, 1560, 1580, 1586, 1830, 1896, 1924, 2054, 2220, 2257, 2370, 2379, 2405, 2440, 2886, 2923, 3081, 3160, 3172, 3660, 3848, 3965, 4108, 4440, 4514, 4740, 4758, 4810, 4819, 5135, 5772, 5846, 6162, 6344, 6771, 7215, 7320, 7930, 8216, 8769, 9028, 9480, 9516, 9620, 9638, 10270, 11285, 11544, 11692, 11895, 12324, 13542, 14430, 14457, 14615, 15405, 15860, 17538, 18056, 19032, 19240, 19276, 20540, 22570, 23384, 23790, 24095, 24648, 27084, 28860, 28914, 29230, 29341, 30810, 31720, 33855, 35076, 37999, 38552, 41080, 43845, 45140, 47580, 48190, 54168, 57720, 57828, 58460, 58682, 61620, 62647, 67710, 70152, 72285, 75998, 87690, 88023, 90280, 95160, 96380, 113997, 115656, 116920, 117364, 123240, 125294, 135420, 144570, 146705, 151996, 175380, 176046, 178303, 187941, 189995, 192760, 227994, 234728, 250588, 270840, 289140, 293410, 303992, 313235, 350760, 352092, 356606, 375882, 379990, 440115, 455988, 501176, 534909, 569985, 578280, 586820, 626470, 704184, 713212, 751764, 759980, 880230, 891515, 911976, 939705, 1069818, 1139970, 1173640, 1252940, 1426424, 1503528, 1519960, 1760460, 1783030, 1879410, 2139636, 2279940, 2317939, 2505880, 2674545, 3520920, 3566060, 3758820, 4279272, 4559880, 4635878, 5349090, 6953817, 7132120, 7517640, 9271756, 10698180, 11589695, 13907634, 18543512, 21396360, 23179390, 27815268, 34769085, 46358780, 55630536, 69538170, 92717560, 139076340, 278152680]

約数ペア:

[(1, 278152680), (2, 139076340), (3, 92717560), (4, 69538170), (5, 55630536), (6, 46358780), (8, 34769085), (10, 27815268), (12, 23179390), (13, 21396360), (15, 18543512), (20, 13907634), (24, 11589695), (26, 10698180), (30, 9271756), (37, 7517640), (39, 7132120), (40, 6953817), (52, 5349090), (60, 4635878), (61, 4559880), (65, 4279272), (74, 3758820), (78, 3566060), (79, 3520920), (104, 2674545), (111, 2505880), (120, 2317939), (122, 2279940), (130, 2139636), (148, 1879410), (156, 1783030), (158, 1760460), (183, 1519960), (185, 1503528), (195, 1426424), (222, 1252940), (237, 1173640), (244, 1139970), (260, 1069818), (296, 939705), (305, 911976), (312, 891515), (316, 880230), (366, 759980), (370, 751764), (390, 713212), (395, 704184), (444, 626470), (474, 586820), (481, 578280), (488, 569985), (520, 534909), (555, 501176), (610, 455988), (632, 440115), (732, 379990), (740, 375882), (780, 356606), (790, 352092), (793, 350760), (888, 313235), (915, 303992), (948, 293410), (962, 289140), (1027, 270840), (1110, 250588), (1185, 234728), (1220, 227994), (1443, 192760), (1464, 189995), (1480, 187941), (1560, 178303), (1580, 176046), (1586, 175380), (1830, 151996), (1896, 146705), (1924, 144570), (2054, 135420), (2220, 125294), (2257, 123240), (2370, 117364), (2379, 116920), (2405, 115656), (2440, 113997), (2886, 96380), (2923, 95160), (3081, 90280), (3160, 88023), (3172, 87690), (3660, 75998), (3848, 72285), (3965, 70152), (4108, 67710), (4440, 62647), (4514, 61620), (4740, 58682), (4758, 58460), (4810, 57828), (4819, 57720), (5135, 54168), (5772, 48190), (5846, 47580), (6162, 45140), (6344, 43845), (6771, 41080), (7215, 38552), (7320, 37999), (7930, 35076), (8216, 33855), (8769, 31720), (9028, 30810), (9480, 29341), (9516, 29230), (9620, 28914), (9638, 28860), (10270, 27084), (11285, 24648), (11544, 24095), (11692, 23790), (11895, 23384), (12324, 22570), (13542, 20540), (14430, 19276), (14457, 19240), (14615, 19032), (15405, 18056), (15860, 17538)]