245388780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 288

約数和(自身を含む): 933424128

約数和(自身を除く): 688035348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 71, 78, 84, 90, 91, 105, 117, 126, 130, 140, 142, 156, 180, 182, 195, 210, 211, 213, 234, 252, 260, 273, 284, 315, 355, 364, 390, 420, 422, 426, 455, 468, 497, 546, 585, 630, 633, 639, 710, 780, 819, 844, 852, 910, 923, 994, 1055, 1065, 1092, 1170, 1260, 1266, 1278, 1365, 1420, 1477, 1491, 1638, 1820, 1846, 1899, 1988, 2110, 2130, 2340, 2485, 2532, 2556, 2730, 2743, 2769, 2954, 2982, 3165, 3195, 3276, 3692, 3798, 4095, 4220, 4260, 4431, 4473, 4615, 4970, 5460, 5486, 5538, 5908, 5964, 6330, 6390, 6461, 7385, 7455, 7596, 8190, 8229, 8307, 8862, 8946, 9230, 9495, 9940, 10972, 11076, 12660, 12780, 12922, 13293, 13715, 13845, 14770, 14910, 14981, 16380, 16458, 16614, 17724, 17892, 18460, 18990, 19201, 19383, 22155, 22365, 24687, 25844, 26586, 27430, 27690, 29540, 29820, 29962, 32305, 32916, 33228, 37980, 38402, 38766, 41145, 41535, 44310, 44730, 44943, 49374, 53172, 54860, 55380, 57603, 58149, 59924, 64610, 66465, 74905, 76804, 77532, 82290, 83070, 88620, 89460, 89886, 96005, 96915, 98748, 104867, 115206, 116298, 123435, 129220, 132930, 134829, 149810, 164580, 166140, 172809, 179772, 192010, 193830, 194753, 209734, 224715, 230412, 232596, 246870, 265860, 269658, 288015, 290745, 299620, 314601, 345618, 384020, 387660, 389506, 419468, 449430, 493740, 524335, 539316, 576030, 581490, 584259, 629202, 674145, 691236, 779012, 864045, 898860, 943803, 973765, 1048670, 1152060, 1162980, 1168518, 1258404, 1348290, 1363271, 1573005, 1728090, 1752777, 1887606, 1947530, 2097340, 2337036, 2696580, 2726542, 2921295, 3146010, 3456180, 3505554, 3775212, 3895060, 4089813, 4719015, 5453084, 5842590, 6292020, 6816355, 7011108, 8179626, 8763885, 9438030, 11685180, 12269439, 13632710, 16359252, 17527770, 18876060, 20449065, 24538878, 27265420, 35055540, 40898130, 49077756, 61347195, 81796260, 122694390, 245388780]

約数ペア:

[(1, 245388780), (2, 122694390), (3, 81796260), (4, 61347195), (5, 49077756), (6, 40898130), (7, 35055540), (9, 27265420), (10, 24538878), (12, 20449065), (13, 18876060), (14, 17527770), (15, 16359252), (18, 13632710), (20, 12269439), (21, 11685180), (26, 9438030), (28, 8763885), (30, 8179626), (35, 7011108), (36, 6816355), (39, 6292020), (42, 5842590), (45, 5453084), (52, 4719015), (60, 4089813), (63, 3895060), (65, 3775212), (70, 3505554), (71, 3456180), (78, 3146010), (84, 2921295), (90, 2726542), (91, 2696580), (105, 2337036), (117, 2097340), (126, 1947530), (130, 1887606), (140, 1752777), (142, 1728090), (156, 1573005), (180, 1363271), (182, 1348290), (195, 1258404), (210, 1168518), (211, 1162980), (213, 1152060), (234, 1048670), (252, 973765), (260, 943803), (273, 898860), (284, 864045), (315, 779012), (355, 691236), (364, 674145), (390, 629202), (420, 584259), (422, 581490), (426, 576030), (455, 539316), (468, 524335), (497, 493740), (546, 449430), (585, 419468), (630, 389506), (633, 387660), (639, 384020), (710, 345618), (780, 314601), (819, 299620), (844, 290745), (852, 288015), (910, 269658), (923, 265860), (994, 246870), (1055, 232596), (1065, 230412), (1092, 224715), (1170, 209734), (1260, 194753), (1266, 193830), (1278, 192010), (1365, 179772), (1420, 172809), (1477, 166140), (1491, 164580), (1638, 149810), (1820, 134829), (1846, 132930), (1899, 129220), (1988, 123435), (2110, 116298), (2130, 115206), (2340, 104867), (2485, 98748), (2532, 96915), (2556, 96005), (2730, 89886), (2743, 89460), (2769, 88620), (2954, 83070), (2982, 82290), (3165, 77532), (3195, 76804), (3276, 74905), (3692, 66465), (3798, 64610), (4095, 59924), (4220, 58149), (4260, 57603), (4431, 55380), (4473, 54860), (4615, 53172), (4970, 49374), (5460, 44943), (5486, 44730), (5538, 44310), (5908, 41535), (5964, 41145), (6330, 38766), (6390, 38402), (6461, 37980), (7385, 33228), (7455, 32916), (7596, 32305), (8190, 29962), (8229, 29820), (8307, 29540), (8862, 27690), (8946, 27430), (9230, 26586), (9495, 25844), (9940, 24687), (10972, 22365), (11076, 22155), (12660, 19383), (12780, 19201), (12922, 18990), (13293, 18460), (13715, 17892), (13845, 17724), (14770, 16614), (14910, 16458), (14981, 16380)]