145678320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:524

約数の個数: 240

約数和(自身を含む): 538536960

約数和(自身を除く): 392858640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 48, 57, 60, 69, 72, 76, 80, 90, 92, 95, 114, 115, 120, 138, 144, 152, 171, 180, 184, 190, 207, 228, 230, 240, 276, 285, 304, 342, 345, 360, 368, 380, 414, 437, 456, 460, 463, 552, 570, 684, 690, 720, 760, 828, 855, 874, 912, 920, 926, 1035, 1104, 1140, 1311, 1368, 1380, 1389, 1520, 1656, 1710, 1748, 1840, 1852, 2070, 2185, 2280, 2315, 2622, 2736, 2760, 2778, 3312, 3420, 3496, 3704, 3933, 4140, 4167, 4370, 4560, 4630, 5244, 5520, 5556, 6555, 6840, 6945, 6992, 7408, 7866, 8280, 8334, 8740, 8797, 9260, 10488, 10649, 11112, 13110, 13680, 13890, 15732, 16560, 16668, 17480, 17594, 18520, 19665, 20835, 20976, 21298, 22224, 26220, 26391, 27780, 31464, 31947, 33336, 34960, 35188, 37040, 39330, 41670, 42596, 43985, 52440, 52782, 53245, 55560, 62928, 63894, 66672, 70376, 78660, 79173, 83340, 85192, 87970, 95841, 104880, 105564, 106490, 111120, 127788, 131955, 140752, 157320, 158346, 159735, 166680, 170384, 175940, 191682, 202331, 211128, 212980, 255576, 263910, 314640, 316692, 319470, 333360, 351880, 383364, 395865, 404662, 422256, 425960, 479205, 511152, 527820, 606993, 633384, 638940, 703760, 766728, 791730, 809324, 851920, 958410, 1011655, 1055640, 1213986, 1266768, 1277880, 1533456, 1583460, 1618648, 1820979, 1916820, 2023310, 2111280, 2427972, 2555760, 3034965, 3166920, 3237296, 3641958, 3833640, 4046620, 4855944, 6069930, 6333840, 7283916, 7667280, 8093240, 9104895, 9711888, 12139860, 14567832, 16186480, 18209790, 24279720, 29135664, 36419580, 48559440, 72839160, 145678320]

約数ペア:

[(1, 145678320), (2, 72839160), (3, 48559440), (4, 36419580), (5, 29135664), (6, 24279720), (8, 18209790), (9, 16186480), (10, 14567832), (12, 12139860), (15, 9711888), (16, 9104895), (18, 8093240), (19, 7667280), (20, 7283916), (23, 6333840), (24, 6069930), (30, 4855944), (36, 4046620), (38, 3833640), (40, 3641958), (45, 3237296), (46, 3166920), (48, 3034965), (57, 2555760), (60, 2427972), (69, 2111280), (72, 2023310), (76, 1916820), (80, 1820979), (90, 1618648), (92, 1583460), (95, 1533456), (114, 1277880), (115, 1266768), (120, 1213986), (138, 1055640), (144, 1011655), (152, 958410), (171, 851920), (180, 809324), (184, 791730), (190, 766728), (207, 703760), (228, 638940), (230, 633384), (240, 606993), (276, 527820), (285, 511152), (304, 479205), (342, 425960), (345, 422256), (360, 404662), (368, 395865), (380, 383364), (414, 351880), (437, 333360), (456, 319470), (460, 316692), (463, 314640), (552, 263910), (570, 255576), (684, 212980), (690, 211128), (720, 202331), (760, 191682), (828, 175940), (855, 170384), (874, 166680), (912, 159735), (920, 158346), (926, 157320), (1035, 140752), (1104, 131955), (1140, 127788), (1311, 111120), (1368, 106490), (1380, 105564), (1389, 104880), (1520, 95841), (1656, 87970), (1710, 85192), (1748, 83340), (1840, 79173), (1852, 78660), (2070, 70376), (2185, 66672), (2280, 63894), (2315, 62928), (2622, 55560), (2736, 53245), (2760, 52782), (2778, 52440), (3312, 43985), (3420, 42596), (3496, 41670), (3704, 39330), (3933, 37040), (4140, 35188), (4167, 34960), (4370, 33336), (4560, 31947), (4630, 31464), (5244, 27780), (5520, 26391), (5556, 26220), (6555, 22224), (6840, 21298), (6945, 20976), (6992, 20835), (7408, 19665), (7866, 18520), (8280, 17594), (8334, 17480), (8740, 16668), (8797, 16560), (9260, 15732), (10488, 13890), (10649, 13680), (11112, 13110)]