28744560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 240

約数和(自身を含む): 108055584

約数和(自身を除く): 79311024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 83, 90, 104, 111, 117, 120, 130, 144, 148, 156, 166, 180, 185, 195, 208, 222, 234, 240, 249, 260, 296, 312, 332, 333, 360, 370, 390, 415, 444, 468, 481, 498, 520, 555, 585, 592, 624, 664, 666, 720, 740, 747, 780, 830, 888, 936, 962, 996, 1040, 1079, 1110, 1170, 1245, 1328, 1332, 1443, 1480, 1494, 1560, 1660, 1665, 1776, 1872, 1924, 1992, 2158, 2220, 2340, 2405, 2490, 2664, 2886, 2960, 2988, 3071, 3120, 3237, 3320, 3330, 3735, 3848, 3984, 4316, 4329, 4440, 4680, 4810, 4980, 5328, 5395, 5772, 5976, 6142, 6474, 6640, 6660, 7215, 7470, 7696, 8632, 8658, 8880, 9213, 9360, 9620, 9711, 9960, 10790, 11544, 11952, 12284, 12948, 13320, 14430, 14940, 15355, 16185, 17264, 17316, 18426, 19240, 19422, 19920, 21580, 21645, 23088, 24568, 25896, 26640, 27639, 28860, 29880, 30710, 32370, 34632, 36852, 38480, 38844, 39923, 43160, 43290, 46065, 48555, 49136, 51792, 55278, 57720, 59760, 61420, 64740, 69264, 73704, 77688, 79846, 86320, 86580, 92130, 97110, 110556, 115440, 119769, 122840, 129480, 138195, 147408, 155376, 159692, 173160, 184260, 194220, 199615, 221112, 239538, 245680, 258960, 276390, 319384, 346320, 359307, 368520, 388440, 399230, 442224, 479076, 552780, 598845, 638768, 718614, 737040, 776880, 798460, 958152, 1105560, 1197690, 1437228, 1596920, 1796535, 1916304, 2211120, 2395380, 2874456, 3193840, 3593070, 4790760, 5748912, 7186140, 9581520, 14372280, 28744560]

約数ペア:

[(1, 28744560), (2, 14372280), (3, 9581520), (4, 7186140), (5, 5748912), (6, 4790760), (8, 3593070), (9, 3193840), (10, 2874456), (12, 2395380), (13, 2211120), (15, 1916304), (16, 1796535), (18, 1596920), (20, 1437228), (24, 1197690), (26, 1105560), (30, 958152), (36, 798460), (37, 776880), (39, 737040), (40, 718614), (45, 638768), (48, 598845), (52, 552780), (60, 479076), (65, 442224), (72, 399230), (74, 388440), (78, 368520), (80, 359307), (83, 346320), (90, 319384), (104, 276390), (111, 258960), (117, 245680), (120, 239538), (130, 221112), (144, 199615), (148, 194220), (156, 184260), (166, 173160), (180, 159692), (185, 155376), (195, 147408), (208, 138195), (222, 129480), (234, 122840), (240, 119769), (249, 115440), (260, 110556), (296, 97110), (312, 92130), (332, 86580), (333, 86320), (360, 79846), (370, 77688), (390, 73704), (415, 69264), (444, 64740), (468, 61420), (481, 59760), (498, 57720), (520, 55278), (555, 51792), (585, 49136), (592, 48555), (624, 46065), (664, 43290), (666, 43160), (720, 39923), (740, 38844), (747, 38480), (780, 36852), (830, 34632), (888, 32370), (936, 30710), (962, 29880), (996, 28860), (1040, 27639), (1079, 26640), (1110, 25896), (1170, 24568), (1245, 23088), (1328, 21645), (1332, 21580), (1443, 19920), (1480, 19422), (1494, 19240), (1560, 18426), (1660, 17316), (1665, 17264), (1776, 16185), (1872, 15355), (1924, 14940), (1992, 14430), (2158, 13320), (2220, 12948), (2340, 12284), (2405, 11952), (2490, 11544), (2664, 10790), (2886, 9960), (2960, 9711), (2988, 9620), (3071, 9360), (3120, 9213), (3237, 8880), (3320, 8658), (3330, 8632), (3735, 7696), (3848, 7470), (3984, 7215), (4316, 6660), (4329, 6640), (4440, 6474), (4680, 6142), (4810, 5976), (4980, 5772), (5328, 5395)]