161619120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 240

約数和(自身を含む): 604461312

約数和(自身を除く): 442842192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 557, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 1040, 1114, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1671, 1860, 1872, 2015, 2228, 2232, 2340, 2418, 2480, 2785, 2790, 3120, 3224, 3342, 3627, 3720, 4030, 4456, 4464, 4680, 4836, 5013, 5570, 5580, 6045, 6448, 6684, 7241, 7254, 7440, 8060, 8355, 8912, 9360, 9672, 10026, 11140, 11160, 12090, 13368, 14482, 14508, 16120, 16710, 17267, 18135, 19344, 20052, 21723, 22280, 22320, 24180, 25065, 26736, 28964, 29016, 32240, 33420, 34534, 36205, 36270, 40104, 43446, 44560, 48360, 50130, 51801, 57928, 58032, 65169, 66840, 69068, 72410, 72540, 80208, 86335, 86892, 96720, 100260, 103602, 108615, 115856, 130338, 133680, 138136, 144820, 145080, 155403, 172670, 173784, 200520, 207204, 217230, 224471, 259005, 260676, 276272, 289640, 290160, 310806, 325845, 345340, 347568, 401040, 414408, 434460, 448942, 518010, 521352, 579280, 621612, 651690, 673413, 690680, 777015, 828816, 868920, 897884, 1036020, 1042704, 1122355, 1243224, 1303380, 1346826, 1381360, 1554030, 1737840, 1795768, 2020239, 2072040, 2244710, 2486448, 2606760, 2693652, 3108060, 3367065, 3591536, 4040478, 4144080, 4489420, 5213520, 5387304, 6216120, 6734130, 8080956, 8978840, 10101195, 10774608, 12432240, 13468260, 16161912, 17957680, 20202390, 26936520, 32323824, 40404780, 53873040, 80809560, 161619120]

約数ペア:

[(1, 161619120), (2, 80809560), (3, 53873040), (4, 40404780), (5, 32323824), (6, 26936520), (8, 20202390), (9, 17957680), (10, 16161912), (12, 13468260), (13, 12432240), (15, 10774608), (16, 10101195), (18, 8978840), (20, 8080956), (24, 6734130), (26, 6216120), (30, 5387304), (31, 5213520), (36, 4489420), (39, 4144080), (40, 4040478), (45, 3591536), (48, 3367065), (52, 3108060), (60, 2693652), (62, 2606760), (65, 2486448), (72, 2244710), (78, 2072040), (80, 2020239), (90, 1795768), (93, 1737840), (104, 1554030), (117, 1381360), (120, 1346826), (124, 1303380), (130, 1243224), (144, 1122355), (155, 1042704), (156, 1036020), (180, 897884), (186, 868920), (195, 828816), (208, 777015), (234, 690680), (240, 673413), (248, 651690), (260, 621612), (279, 579280), (310, 521352), (312, 518010), (360, 448942), (372, 434460), (390, 414408), (403, 401040), (465, 347568), (468, 345340), (496, 325845), (520, 310806), (557, 290160), (558, 289640), (585, 276272), (620, 260676), (624, 259005), (720, 224471), (744, 217230), (780, 207204), (806, 200520), (930, 173784), (936, 172670), (1040, 155403), (1114, 145080), (1116, 144820), (1170, 138136), (1209, 133680), (1240, 130338), (1395, 115856), (1488, 108615), (1560, 103602), (1612, 100260), (1671, 96720), (1860, 86892), (1872, 86335), (2015, 80208), (2228, 72540), (2232, 72410), (2340, 69068), (2418, 66840), (2480, 65169), (2785, 58032), (2790, 57928), (3120, 51801), (3224, 50130), (3342, 48360), (3627, 44560), (3720, 43446), (4030, 40104), (4456, 36270), (4464, 36205), (4680, 34534), (4836, 33420), (5013, 32240), (5570, 29016), (5580, 28964), (6045, 26736), (6448, 25065), (6684, 24180), (7241, 22320), (7254, 22280), (7440, 21723), (8060, 20052), (8355, 19344), (8912, 18135), (9360, 17267), (9672, 16710), (10026, 16120), (11140, 14508), (11160, 14482), (12090, 13368)]