280184520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30323}}^1$

素因数の和:30355

約数の個数: 128

約数和(自身を含む): 1047997440

約数和(自身を除く): 767812920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 30323, 60646, 90969, 121292, 151615, 181938, 212261, 242584, 303230, 333553, 363876, 424522, 454845, 606460, 636783, 667106, 727752, 849044, 909690, 1000659, 1061305, 1212920, 1273566, 1334212, 1667765, 1698088, 1819380, 2001318, 2122610, 2334871, 2547132, 2668424, 3183915, 3335530, 3638760, 4002636, 4245220, 4669742, 5003295, 5094264, 6367830, 6671060, 7004613, 8005272, 8490440, 9339484, 10006590, 11674355, 12735660, 13342120, 14009226, 18678968, 20013180, 23348710, 25471320, 28018452, 35023065, 40026360, 46697420, 56036904, 70046130, 93394840, 140092260, 280184520]

約数ペア:

[(1, 280184520), (2, 140092260), (3, 93394840), (4, 70046130), (5, 56036904), (6, 46697420), (7, 40026360), (8, 35023065), (10, 28018452), (11, 25471320), (12, 23348710), (14, 20013180), (15, 18678968), (20, 14009226), (21, 13342120), (22, 12735660), (24, 11674355), (28, 10006590), (30, 9339484), (33, 8490440), (35, 8005272), (40, 7004613), (42, 6671060), (44, 6367830), (55, 5094264), (56, 5003295), (60, 4669742), (66, 4245220), (70, 4002636), (77, 3638760), (84, 3335530), (88, 3183915), (105, 2668424), (110, 2547132), (120, 2334871), (132, 2122610), (140, 2001318), (154, 1819380), (165, 1698088), (168, 1667765), (210, 1334212), (220, 1273566), (231, 1212920), (264, 1061305), (280, 1000659), (308, 909690), (330, 849044), (385, 727752), (420, 667106), (440, 636783), (462, 606460), (616, 454845), (660, 424522), (770, 363876), (840, 333553), (924, 303230), (1155, 242584), (1320, 212261), (1540, 181938), (1848, 151615), (2310, 121292), (3080, 90969), (4620, 60646), (9240, 30323)]