28411320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 98496000

約数和(自身を除く): 70084680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 227, 280, 298, 420, 447, 454, 596, 681, 745, 840, 894, 908, 1043, 1135, 1192, 1362, 1490, 1589, 1788, 1816, 2086, 2235, 2270, 2724, 2980, 3129, 3178, 3405, 3576, 4172, 4470, 4540, 4767, 5215, 5448, 5960, 6258, 6356, 6810, 7945, 8344, 8940, 9080, 9534, 10430, 12516, 12712, 13620, 15645, 15890, 17880, 19068, 20860, 23835, 25032, 27240, 31290, 31780, 33823, 38136, 41720, 47670, 62580, 63560, 67646, 95340, 101469, 125160, 135292, 169115, 190680, 202938, 236761, 270584, 338230, 405876, 473522, 507345, 676460, 710283, 811752, 947044, 1014690, 1183805, 1352920, 1420566, 1894088, 2029380, 2367610, 2841132, 3551415, 4058760, 4735220, 5682264, 7102830, 9470440, 14205660, 28411320]

約数ペア:

[(1, 28411320), (2, 14205660), (3, 9470440), (4, 7102830), (5, 5682264), (6, 4735220), (7, 4058760), (8, 3551415), (10, 2841132), (12, 2367610), (14, 2029380), (15, 1894088), (20, 1420566), (21, 1352920), (24, 1183805), (28, 1014690), (30, 947044), (35, 811752), (40, 710283), (42, 676460), (56, 507345), (60, 473522), (70, 405876), (84, 338230), (105, 270584), (120, 236761), (140, 202938), (149, 190680), (168, 169115), (210, 135292), (227, 125160), (280, 101469), (298, 95340), (420, 67646), (447, 63560), (454, 62580), (596, 47670), (681, 41720), (745, 38136), (840, 33823), (894, 31780), (908, 31290), (1043, 27240), (1135, 25032), (1192, 23835), (1362, 20860), (1490, 19068), (1589, 17880), (1788, 15890), (1816, 15645), (2086, 13620), (2235, 12712), (2270, 12516), (2724, 10430), (2980, 9534), (3129, 9080), (3178, 8940), (3405, 8344), (3576, 7945), (4172, 6810), (4470, 6356), (4540, 6258), (4767, 5960), (5215, 5448)]