28495320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33923}}^1$

素因数の和:33944

約数の個数: 64

約数和(自身を含む): 97701120

約数和(自身を除く): 69205800

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, 33923, 67846, 101769, 135692, 169615, 203538, 237461, 271384, 339230, 407076, 474922, 508845, 678460, 712383, 814152, 949844, 1017690, 1187305, 1356920, 1424766, 1899688, 2035380, 2374610, 2849532, 3561915, 4070760, 4749220, 5699064, 7123830, 9498440, 14247660, 28495320]

約数ペア:

[(1, 28495320), (2, 14247660), (3, 9498440), (4, 7123830), (5, 5699064), (6, 4749220), (7, 4070760), (8, 3561915), (10, 2849532), (12, 2374610), (14, 2035380), (15, 1899688), (20, 1424766), (21, 1356920), (24, 1187305), (28, 1017690), (30, 949844), (35, 814152), (40, 712383), (42, 678460), (56, 508845), (60, 474922), (70, 407076), (84, 339230), (105, 271384), (120, 237461), (140, 203538), (168, 169615), (210, 135692), (280, 101769), (420, 67846), (840, 33923)]