28748520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 101930400

約数和(自身を除く): 73181880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 467, 513, 540, 570, 648, 684, 760, 810, 855, 934, 1026, 1080, 1140, 1368, 1401, 1539, 1620, 1710, 1868, 2052, 2280, 2335, 2565, 2802, 3078, 3240, 3420, 3736, 4104, 4203, 4670, 5130, 5604, 6156, 6840, 7005, 7695, 8406, 8873, 9340, 10260, 11208, 12312, 12609, 14010, 15390, 16812, 17746, 18680, 20520, 21015, 25218, 26619, 28020, 30780, 33624, 35492, 37827, 42030, 44365, 50436, 53238, 56040, 61560, 63045, 70984, 75654, 79857, 84060, 88730, 100872, 106476, 126090, 133095, 151308, 159714, 168120, 177460, 189135, 212952, 239571, 252180, 266190, 302616, 319428, 354920, 378270, 399285, 479142, 504360, 532380, 638856, 718713, 756540, 798570, 958284, 1064760, 1197855, 1437426, 1513080, 1597140, 1916568, 2395710, 2874852, 3194280, 3593565, 4791420, 5749704, 7187130, 9582840, 14374260, 28748520]

約数ペア:

[(1, 28748520), (2, 14374260), (3, 9582840), (4, 7187130), (5, 5749704), (6, 4791420), (8, 3593565), (9, 3194280), (10, 2874852), (12, 2395710), (15, 1916568), (18, 1597140), (19, 1513080), (20, 1437426), (24, 1197855), (27, 1064760), (30, 958284), (36, 798570), (38, 756540), (40, 718713), (45, 638856), (54, 532380), (57, 504360), (60, 479142), (72, 399285), (76, 378270), (81, 354920), (90, 319428), (95, 302616), (108, 266190), (114, 252180), (120, 239571), (135, 212952), (152, 189135), (162, 177460), (171, 168120), (180, 159714), (190, 151308), (216, 133095), (228, 126090), (270, 106476), (285, 100872), (324, 88730), (342, 84060), (360, 79857), (380, 75654), (405, 70984), (456, 63045), (467, 61560), (513, 56040), (540, 53238), (570, 50436), (648, 44365), (684, 42030), (760, 37827), (810, 35492), (855, 33624), (934, 30780), (1026, 28020), (1080, 26619), (1140, 25218), (1368, 21015), (1401, 20520), (1539, 18680), (1620, 17746), (1710, 16812), (1868, 15390), (2052, 14010), (2280, 12609), (2335, 12312), (2565, 11208), (2802, 10260), (3078, 9340), (3240, 8873), (3420, 8406), (3736, 7695), (4104, 7005), (4203, 6840), (4670, 6156), (5130, 5604)]