87904530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:701

約数の個数: 144

約数和(自身を含む): 274869504

約数和(自身を除く): 186964974

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 217, 245, 279, 294, 310, 315, 434, 441, 465, 490, 558, 630, 643, 651, 735, 882, 930, 1085, 1286, 1302, 1395, 1470, 1519, 1929, 1953, 2170, 2205, 2790, 3038, 3215, 3255, 3858, 3906, 4410, 4501, 4557, 5787, 6430, 6510, 7595, 9002, 9114, 9645, 9765, 11574, 13503, 13671, 15190, 19290, 19530, 19933, 22505, 22785, 27006, 27342, 28935, 31507, 39866, 40509, 45010, 45570, 57870, 59799, 63014, 67515, 68355, 81018, 94521, 99665, 119598, 135030, 136710, 139531, 157535, 179397, 189042, 199330, 202545, 279062, 283563, 298995, 315070, 358794, 405090, 418593, 472605, 567126, 597990, 697655, 837186, 896985, 945210, 976717, 1255779, 1395310, 1417815, 1793970, 1953434, 2092965, 2511558, 2835630, 2930151, 4185930, 4883585, 5860302, 6278895, 8790453, 9767170, 12557790, 14650755, 17580906, 29301510, 43952265, 87904530]

約数ペア:

[(1, 87904530), (2, 43952265), (3, 29301510), (5, 17580906), (6, 14650755), (7, 12557790), (9, 9767170), (10, 8790453), (14, 6278895), (15, 5860302), (18, 4883585), (21, 4185930), (30, 2930151), (31, 2835630), (35, 2511558), (42, 2092965), (45, 1953434), (49, 1793970), (62, 1417815), (63, 1395310), (70, 1255779), (90, 976717), (93, 945210), (98, 896985), (105, 837186), (126, 697655), (147, 597990), (155, 567126), (186, 472605), (210, 418593), (217, 405090), (245, 358794), (279, 315070), (294, 298995), (310, 283563), (315, 279062), (434, 202545), (441, 199330), (465, 189042), (490, 179397), (558, 157535), (630, 139531), (643, 136710), (651, 135030), (735, 119598), (882, 99665), (930, 94521), (1085, 81018), (1286, 68355), (1302, 67515), (1395, 63014), (1470, 59799), (1519, 57870), (1929, 45570), (1953, 45010), (2170, 40509), (2205, 39866), (2790, 31507), (3038, 28935), (3215, 27342), (3255, 27006), (3858, 22785), (3906, 22505), (4410, 19933), (4501, 19530), (4557, 19290), (5787, 15190), (6430, 13671), (6510, 13503), (7595, 11574), (9002, 9765), (9114, 9645)]