72897720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86783}}^1$

素因数の和:86804

約数の個数: 64

約数和(自身を含む): 249937920

約数和(自身を除く): 177040200

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, 168, 210, 280, 420, 840, 86783, 173566, 260349, 347132, 433915, 520698, 607481, 694264, 867830, 1041396, 1214962, 1301745, 1735660, 1822443, 2082792, 2429924, 2603490, 3037405, 3471320, 3644886, 4859848, 5206980, 6074810, 7289772, 9112215, 10413960, 12149620, 14579544, 18224430, 24299240, 36448860, 72897720]

約数ペア:

[(1, 72897720), (2, 36448860), (3, 24299240), (4, 18224430), (5, 14579544), (6, 12149620), (7, 10413960), (8, 9112215), (10, 7289772), (12, 6074810), (14, 5206980), (15, 4859848), (20, 3644886), (21, 3471320), (24, 3037405), (28, 2603490), (30, 2429924), (35, 2082792), (40, 1822443), (42, 1735660), (56, 1301745), (60, 1214962), (70, 1041396), (84, 867830), (105, 694264), (120, 607481), (140, 520698), (168, 433915), (210, 347132), (280, 260349), (420, 173566), (840, 86783)]