281320650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2581

約数の個数: 144

約数和(自身を含む): 857132640

約数和(自身を除く): 575811990

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 130, 150, 171, 190, 195, 225, 234, 247, 285, 325, 342, 390, 450, 475, 494, 570, 585, 650, 741, 855, 950, 975, 1170, 1235, 1425, 1482, 1710, 1950, 2223, 2470, 2531, 2850, 2925, 3705, 4275, 4446, 5062, 5850, 6175, 7410, 7593, 8550, 11115, 12350, 12655, 15186, 18525, 22230, 22779, 25310, 32903, 37050, 37965, 45558, 48089, 55575, 63275, 65806, 75930, 96178, 98709, 111150, 113895, 126550, 144267, 164515, 189825, 197418, 227790, 240445, 288534, 296127, 329030, 379650, 432801, 480890, 493545, 569475, 592254, 625157, 721335, 822575, 865602, 987090, 1138950, 1202225, 1250314, 1442670, 1480635, 1645150, 1875471, 2164005, 2404450, 2467725, 2961270, 3125785, 3606675, 3750942, 4328010, 4935450, 5626413, 6251570, 7213350, 7403175, 9377355, 10820025, 11252826, 14806350, 15628925, 18754710, 21640050, 28132065, 31257850, 46886775, 56264130, 93773550, 140660325, 281320650]

約数ペア:

[(1, 281320650), (2, 140660325), (3, 93773550), (5, 56264130), (6, 46886775), (9, 31257850), (10, 28132065), (13, 21640050), (15, 18754710), (18, 15628925), (19, 14806350), (25, 11252826), (26, 10820025), (30, 9377355), (38, 7403175), (39, 7213350), (45, 6251570), (50, 5626413), (57, 4935450), (65, 4328010), (75, 3750942), (78, 3606675), (90, 3125785), (95, 2961270), (114, 2467725), (117, 2404450), (130, 2164005), (150, 1875471), (171, 1645150), (190, 1480635), (195, 1442670), (225, 1250314), (234, 1202225), (247, 1138950), (285, 987090), (325, 865602), (342, 822575), (390, 721335), (450, 625157), (475, 592254), (494, 569475), (570, 493545), (585, 480890), (650, 432801), (741, 379650), (855, 329030), (950, 296127), (975, 288534), (1170, 240445), (1235, 227790), (1425, 197418), (1482, 189825), (1710, 164515), (1950, 144267), (2223, 126550), (2470, 113895), (2531, 111150), (2850, 98709), (2925, 96178), (3705, 75930), (4275, 65806), (4446, 63275), (5062, 55575), (5850, 48089), (6175, 45558), (7410, 37965), (7593, 37050), (8550, 32903), (11115, 25310), (12350, 22779), (12655, 22230), (15186, 18525)]