25891320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2371}}^1$

素因数の和:2405

約数の個数: 128

約数和(自身を含む): 95639040

約数和(自身を除く): 69747720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2371, 2730, 3640, 4742, 5460, 7113, 9484, 10920, 11855, 14226, 16597, 18968, 23710, 28452, 30823, 33194, 35565, 47420, 49791, 56904, 61646, 66388, 71130, 82985, 92469, 94840, 99582, 123292, 132776, 142260, 154115, 165970, 184938, 199164, 215761, 246584, 248955, 284520, 308230, 331940, 369876, 398328, 431522, 462345, 497910, 616460, 647283, 663880, 739752, 863044, 924690, 995820, 1078805, 1232920, 1294566, 1726088, 1849380, 1991640, 2157610, 2589132, 3236415, 3698760, 4315220, 5178264, 6472830, 8630440, 12945660, 25891320]

約数ペア:

[(1, 25891320), (2, 12945660), (3, 8630440), (4, 6472830), (5, 5178264), (6, 4315220), (7, 3698760), (8, 3236415), (10, 2589132), (12, 2157610), (13, 1991640), (14, 1849380), (15, 1726088), (20, 1294566), (21, 1232920), (24, 1078805), (26, 995820), (28, 924690), (30, 863044), (35, 739752), (39, 663880), (40, 647283), (42, 616460), (52, 497910), (56, 462345), (60, 431522), (65, 398328), (70, 369876), (78, 331940), (84, 308230), (91, 284520), (104, 248955), (105, 246584), (120, 215761), (130, 199164), (140, 184938), (156, 165970), (168, 154115), (182, 142260), (195, 132776), (210, 123292), (260, 99582), (273, 94840), (280, 92469), (312, 82985), (364, 71130), (390, 66388), (420, 61646), (455, 56904), (520, 49791), (546, 47420), (728, 35565), (780, 33194), (840, 30823), (910, 28452), (1092, 23710), (1365, 18968), (1560, 16597), (1820, 14226), (2184, 11855), (2371, 10920), (2730, 9484), (3640, 7113), (4742, 5460)]