87204780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 288943200

約数和(自身を除く): 201738420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 83, 90, 117, 130, 156, 166, 180, 195, 234, 249, 260, 332, 390, 415, 449, 468, 498, 585, 747, 780, 830, 898, 996, 1079, 1170, 1245, 1347, 1494, 1660, 1796, 2158, 2245, 2340, 2490, 2694, 2988, 3237, 3735, 4041, 4316, 4490, 4980, 5388, 5395, 5837, 6474, 6735, 7470, 8082, 8980, 9711, 10790, 11674, 12948, 13470, 14940, 16164, 16185, 17511, 19422, 20205, 21580, 23348, 26940, 29185, 32370, 35022, 37267, 38844, 40410, 48555, 52533, 58370, 64740, 70044, 74534, 80820, 87555, 97110, 105066, 111801, 116740, 149068, 175110, 186335, 194220, 210132, 223602, 262665, 335403, 350220, 372670, 447204, 484471, 525330, 559005, 670806, 745340, 968942, 1050660, 1118010, 1341612, 1453413, 1677015, 1937884, 2236020, 2422355, 2906826, 3354030, 4360239, 4844710, 5813652, 6708060, 7267065, 8720478, 9689420, 14534130, 17440956, 21801195, 29068260, 43602390, 87204780]

約数ペア:

[(1, 87204780), (2, 43602390), (3, 29068260), (4, 21801195), (5, 17440956), (6, 14534130), (9, 9689420), (10, 8720478), (12, 7267065), (13, 6708060), (15, 5813652), (18, 4844710), (20, 4360239), (26, 3354030), (30, 2906826), (36, 2422355), (39, 2236020), (45, 1937884), (52, 1677015), (60, 1453413), (65, 1341612), (78, 1118010), (83, 1050660), (90, 968942), (117, 745340), (130, 670806), (156, 559005), (166, 525330), (180, 484471), (195, 447204), (234, 372670), (249, 350220), (260, 335403), (332, 262665), (390, 223602), (415, 210132), (449, 194220), (468, 186335), (498, 175110), (585, 149068), (747, 116740), (780, 111801), (830, 105066), (898, 97110), (996, 87555), (1079, 80820), (1170, 74534), (1245, 70044), (1347, 64740), (1494, 58370), (1660, 52533), (1796, 48555), (2158, 40410), (2245, 38844), (2340, 37267), (2490, 35022), (2694, 32370), (2988, 29185), (3237, 26940), (3735, 23348), (4041, 21580), (4316, 20205), (4490, 19422), (4980, 17511), (5388, 16185), (5395, 16164), (5837, 14940), (6474, 13470), (6735, 12948), (7470, 11674), (8082, 10790), (8980, 9711)]