72471840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21569}}^1$

素因数の和:21594

約数の個数: 96

約数和(自身を含む): 260910720

約数和(自身を除く): 188438880

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, 480, 560, 672, 840, 1120, 1680, 3360, 21569, 43138, 64707, 86276, 107845, 129414, 150983, 172552, 215690, 258828, 301966, 323535, 345104, 431380, 452949, 517656, 603932, 647070, 690208, 754915, 862760, 905898, 1035312, 1207864, 1294140, 1509830, 1725520, 1811796, 2070624, 2264745, 2415728, 2588280, 3019660, 3451040, 3623592, 4529490, 4831456, 5176560, 6039320, 7247184, 9058980, 10353120, 12078640, 14494368, 18117960, 24157280, 36235920, 72471840]

約数ペア:

[(1, 72471840), (2, 36235920), (3, 24157280), (4, 18117960), (5, 14494368), (6, 12078640), (7, 10353120), (8, 9058980), (10, 7247184), (12, 6039320), (14, 5176560), (15, 4831456), (16, 4529490), (20, 3623592), (21, 3451040), (24, 3019660), (28, 2588280), (30, 2415728), (32, 2264745), (35, 2070624), (40, 1811796), (42, 1725520), (48, 1509830), (56, 1294140), (60, 1207864), (70, 1035312), (80, 905898), (84, 862760), (96, 754915), (105, 690208), (112, 647070), (120, 603932), (140, 517656), (160, 452949), (168, 431380), (210, 345104), (224, 323535), (240, 301966), (280, 258828), (336, 215690), (420, 172552), (480, 150983), (560, 129414), (672, 107845), (840, 86276), (1120, 64707), (1680, 43138), (3360, 21569)]