28309320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 103783680

約数和(自身を除く): 75474360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 52, 60, 65, 69, 72, 78, 90, 92, 104, 115, 117, 120, 130, 138, 156, 180, 184, 195, 207, 230, 234, 260, 263, 276, 299, 312, 345, 360, 390, 414, 460, 468, 520, 526, 552, 585, 598, 690, 780, 789, 828, 897, 920, 936, 1035, 1052, 1170, 1196, 1315, 1380, 1495, 1560, 1578, 1656, 1794, 2070, 2104, 2340, 2367, 2392, 2630, 2691, 2760, 2990, 3156, 3419, 3588, 3945, 4140, 4485, 4680, 4734, 5260, 5382, 5980, 6049, 6312, 6838, 7176, 7890, 8280, 8970, 9468, 10257, 10520, 10764, 11835, 11960, 12098, 13455, 13676, 15780, 17095, 17940, 18147, 18936, 20514, 21528, 23670, 24196, 26910, 27352, 30245, 30771, 31560, 34190, 35880, 36294, 41028, 47340, 48392, 51285, 53820, 54441, 60490, 61542, 68380, 72588, 78637, 82056, 90735, 94680, 102570, 107640, 108882, 120980, 123084, 136760, 145176, 153855, 157274, 181470, 205140, 217764, 235911, 241960, 246168, 272205, 307710, 314548, 362940, 393185, 410280, 435528, 471822, 544410, 615420, 629096, 707733, 725880, 786370, 943644, 1088820, 1179555, 1230840, 1415466, 1572740, 1887288, 2177640, 2359110, 2830932, 3145480, 3538665, 4718220, 5661864, 7077330, 9436440, 14154660, 28309320]

約数ペア:

[(1, 28309320), (2, 14154660), (3, 9436440), (4, 7077330), (5, 5661864), (6, 4718220), (8, 3538665), (9, 3145480), (10, 2830932), (12, 2359110), (13, 2177640), (15, 1887288), (18, 1572740), (20, 1415466), (23, 1230840), (24, 1179555), (26, 1088820), (30, 943644), (36, 786370), (39, 725880), (40, 707733), (45, 629096), (46, 615420), (52, 544410), (60, 471822), (65, 435528), (69, 410280), (72, 393185), (78, 362940), (90, 314548), (92, 307710), (104, 272205), (115, 246168), (117, 241960), (120, 235911), (130, 217764), (138, 205140), (156, 181470), (180, 157274), (184, 153855), (195, 145176), (207, 136760), (230, 123084), (234, 120980), (260, 108882), (263, 107640), (276, 102570), (299, 94680), (312, 90735), (345, 82056), (360, 78637), (390, 72588), (414, 68380), (460, 61542), (468, 60490), (520, 54441), (526, 53820), (552, 51285), (585, 48392), (598, 47340), (690, 41028), (780, 36294), (789, 35880), (828, 34190), (897, 31560), (920, 30771), (936, 30245), (1035, 27352), (1052, 26910), (1170, 24196), (1196, 23670), (1315, 21528), (1380, 20514), (1495, 18936), (1560, 18147), (1578, 17940), (1656, 17095), (1794, 15780), (2070, 13676), (2104, 13455), (2340, 12098), (2367, 11960), (2392, 11835), (2630, 10764), (2691, 10520), (2760, 10257), (2990, 9468), (3156, 8970), (3419, 8280), (3588, 7890), (3945, 7176), (4140, 6838), (4485, 6312), (4680, 6049), (4734, 5980), (5260, 5382)]