28917720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 104569920

約数和(自身を除く): 75652200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 167, 180, 185, 195, 222, 234, 260, 296, 312, 333, 334, 360, 370, 390, 444, 468, 481, 501, 520, 555, 585, 666, 668, 740, 780, 835, 888, 936, 962, 1002, 1110, 1170, 1332, 1336, 1443, 1480, 1503, 1560, 1665, 1670, 1924, 2004, 2171, 2220, 2340, 2405, 2505, 2664, 2886, 3006, 3330, 3340, 3848, 4008, 4329, 4342, 4440, 4680, 4810, 5010, 5772, 6012, 6179, 6513, 6660, 6680, 7215, 7515, 8658, 8684, 9620, 10020, 10855, 11544, 12024, 12358, 13026, 13320, 14430, 15030, 17316, 17368, 18537, 19240, 19539, 20040, 21645, 21710, 24716, 26052, 28860, 30060, 30895, 32565, 34632, 37074, 39078, 43290, 43420, 49432, 52104, 55611, 57720, 60120, 61790, 65130, 74148, 78156, 80327, 86580, 86840, 92685, 97695, 111222, 123580, 130260, 148296, 156312, 160654, 173160, 185370, 195390, 222444, 240981, 247160, 260520, 278055, 321308, 370740, 390780, 401635, 444888, 481962, 556110, 642616, 722943, 741480, 781560, 803270, 963924, 1112220, 1204905, 1445886, 1606540, 1927848, 2224440, 2409810, 2891772, 3213080, 3614715, 4819620, 5783544, 7229430, 9639240, 14458860, 28917720]

約数ペア:

[(1, 28917720), (2, 14458860), (3, 9639240), (4, 7229430), (5, 5783544), (6, 4819620), (8, 3614715), (9, 3213080), (10, 2891772), (12, 2409810), (13, 2224440), (15, 1927848), (18, 1606540), (20, 1445886), (24, 1204905), (26, 1112220), (30, 963924), (36, 803270), (37, 781560), (39, 741480), (40, 722943), (45, 642616), (52, 556110), (60, 481962), (65, 444888), (72, 401635), (74, 390780), (78, 370740), (90, 321308), (104, 278055), (111, 260520), (117, 247160), (120, 240981), (130, 222444), (148, 195390), (156, 185370), (167, 173160), (180, 160654), (185, 156312), (195, 148296), (222, 130260), (234, 123580), (260, 111222), (296, 97695), (312, 92685), (333, 86840), (334, 86580), (360, 80327), (370, 78156), (390, 74148), (444, 65130), (468, 61790), (481, 60120), (501, 57720), (520, 55611), (555, 52104), (585, 49432), (666, 43420), (668, 43290), (740, 39078), (780, 37074), (835, 34632), (888, 32565), (936, 30895), (962, 30060), (1002, 28860), (1110, 26052), (1170, 24716), (1332, 21710), (1336, 21645), (1443, 20040), (1480, 19539), (1503, 19240), (1560, 18537), (1665, 17368), (1670, 17316), (1924, 15030), (2004, 14430), (2171, 13320), (2220, 13026), (2340, 12358), (2405, 12024), (2505, 11544), (2664, 10855), (2886, 10020), (3006, 9620), (3330, 8684), (3340, 8658), (3848, 7515), (4008, 7215), (4329, 6680), (4342, 6660), (4440, 6513), (4680, 6179), (4810, 6012), (5010, 5772)]