1561415520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1049}}^1$

素因数の和:1517

約数の個数: 192

約数和(自身を含む): 5639155200

約数和(自身を除く): 4077739680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 443, 480, 560, 672, 840, 886, 1049, 1120, 1329, 1680, 1772, 2098, 2215, 2658, 3101, 3147, 3360, 3544, 4196, 4430, 5245, 5316, 6202, 6294, 6645, 7088, 7343, 8392, 8860, 9303, 10490, 10632, 12404, 12588, 13290, 14176, 14686, 15505, 15735, 16784, 17720, 18606, 20980, 21264, 22029, 24808, 25176, 26580, 29372, 31010, 31470, 33568, 35440, 36715, 37212, 41960, 42528, 44058, 46515, 49616, 50352, 53160, 58744, 62020, 62940, 70880, 73430, 74424, 83920, 88116, 93030, 99232, 100704, 106320, 110145, 117488, 124040, 125880, 146860, 148848, 167840, 176232, 186060, 212640, 220290, 234976, 248080, 251760, 293720, 297696, 352464, 372120, 440580, 464707, 496160, 503520, 587440, 704928, 744240, 881160, 929414, 1174880, 1394121, 1488480, 1762320, 1858828, 2323535, 2788242, 3252949, 3524640, 3717656, 4647070, 5576484, 6505898, 6970605, 7435312, 9294140, 9758847, 11152968, 13011796, 13941210, 14870624, 16264745, 18588280, 19517694, 22305936, 26023592, 27882420, 32529490, 37176560, 39035388, 44611872, 48794235, 52047184, 55764840, 65058980, 74353120, 78070776, 97588470, 104094368, 111529680, 130117960, 156141552, 195176940, 223059360, 260235920, 312283104, 390353880, 520471840, 780707760, 1561415520]

約数ペア:

[(1, 1561415520), (2, 780707760), (3, 520471840), (4, 390353880), (5, 312283104), (6, 260235920), (7, 223059360), (8, 195176940), (10, 156141552), (12, 130117960), (14, 111529680), (15, 104094368), (16, 97588470), (20, 78070776), (21, 74353120), (24, 65058980), (28, 55764840), (30, 52047184), (32, 48794235), (35, 44611872), (40, 39035388), (42, 37176560), (48, 32529490), (56, 27882420), (60, 26023592), (70, 22305936), (80, 19517694), (84, 18588280), (96, 16264745), (105, 14870624), (112, 13941210), (120, 13011796), (140, 11152968), (160, 9758847), (168, 9294140), (210, 7435312), (224, 6970605), (240, 6505898), (280, 5576484), (336, 4647070), (420, 3717656), (443, 3524640), (480, 3252949), (560, 2788242), (672, 2323535), (840, 1858828), (886, 1762320), (1049, 1488480), (1120, 1394121), (1329, 1174880), (1680, 929414), (1772, 881160), (2098, 744240), (2215, 704928), (2658, 587440), (3101, 503520), (3147, 496160), (3360, 464707), (3544, 440580), (4196, 372120), (4430, 352464), (5245, 297696), (5316, 293720), (6202, 251760), (6294, 248080), (6645, 234976), (7088, 220290), (7343, 212640), (8392, 186060), (8860, 176232), (9303, 167840), (10490, 148848), (10632, 146860), (12404, 125880), (12588, 124040), (13290, 117488), (14176, 110145), (14686, 106320), (15505, 100704), (15735, 99232), (16784, 93030), (17720, 88116), (18606, 83920), (20980, 74424), (21264, 73430), (22029, 70880), (24808, 62940), (25176, 62020), (26580, 58744), (29372, 53160), (31010, 50352), (31470, 49616), (33568, 46515), (35440, 44058), (36715, 42528), (37212, 41960)]