281204280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{739}}^1$

素因数の和:914

約数の個数: 192

約数和(自身を含む): 1052812800

約数和(自身を除く): 771608520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 151, 168, 180, 210, 252, 280, 302, 315, 360, 420, 453, 504, 604, 630, 739, 755, 840, 906, 1057, 1208, 1260, 1359, 1478, 1510, 1812, 2114, 2217, 2265, 2520, 2718, 2956, 3020, 3171, 3624, 3695, 4228, 4434, 4530, 5173, 5285, 5436, 5912, 6040, 6342, 6651, 6795, 7390, 8456, 8868, 9060, 9513, 10346, 10570, 10872, 11085, 12684, 13302, 13590, 14780, 15519, 15855, 17736, 18120, 19026, 20692, 21140, 22170, 25368, 25865, 26604, 27180, 29560, 31038, 31710, 33255, 38052, 41384, 42280, 44340, 46557, 47565, 51730, 53208, 54360, 62076, 63420, 66510, 76104, 77595, 88680, 93114, 95130, 103460, 111589, 124152, 126840, 133020, 155190, 186228, 190260, 206920, 223178, 232785, 266040, 310380, 334767, 372456, 380520, 446356, 465570, 557945, 620760, 669534, 781123, 892712, 931140, 1004301, 1115890, 1339068, 1562246, 1673835, 1862280, 2008602, 2231780, 2343369, 2678136, 3124492, 3347670, 3905615, 4017204, 4463560, 4686738, 5021505, 6248984, 6695340, 7030107, 7811230, 8034408, 9373476, 10043010, 11716845, 13390680, 14060214, 15622460, 18746952, 20086020, 23433690, 28120428, 31244920, 35150535, 40172040, 46867380, 56240856, 70301070, 93734760, 140602140, 281204280]

約数ペア:

[(1, 281204280), (2, 140602140), (3, 93734760), (4, 70301070), (5, 56240856), (6, 46867380), (7, 40172040), (8, 35150535), (9, 31244920), (10, 28120428), (12, 23433690), (14, 20086020), (15, 18746952), (18, 15622460), (20, 14060214), (21, 13390680), (24, 11716845), (28, 10043010), (30, 9373476), (35, 8034408), (36, 7811230), (40, 7030107), (42, 6695340), (45, 6248984), (56, 5021505), (60, 4686738), (63, 4463560), (70, 4017204), (72, 3905615), (84, 3347670), (90, 3124492), (105, 2678136), (120, 2343369), (126, 2231780), (140, 2008602), (151, 1862280), (168, 1673835), (180, 1562246), (210, 1339068), (252, 1115890), (280, 1004301), (302, 931140), (315, 892712), (360, 781123), (420, 669534), (453, 620760), (504, 557945), (604, 465570), (630, 446356), (739, 380520), (755, 372456), (840, 334767), (906, 310380), (1057, 266040), (1208, 232785), (1260, 223178), (1359, 206920), (1478, 190260), (1510, 186228), (1812, 155190), (2114, 133020), (2217, 126840), (2265, 124152), (2520, 111589), (2718, 103460), (2956, 95130), (3020, 93114), (3171, 88680), (3624, 77595), (3695, 76104), (4228, 66510), (4434, 63420), (4530, 62076), (5173, 54360), (5285, 53208), (5436, 51730), (5912, 47565), (6040, 46557), (6342, 44340), (6651, 42280), (6795, 41384), (7390, 38052), (8456, 33255), (8868, 31710), (9060, 31038), (9513, 29560), (10346, 27180), (10570, 26604), (10872, 25865), (11085, 25368), (12684, 22170), (13302, 21140), (13590, 20692), (14780, 19026), (15519, 18120), (15855, 17736)]