290127720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127249}}^1$

素因数の和:127282

約数の個数: 64

約数和(自身を含む): 916200000

約数和(自身を除く): 626072280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 127249, 254498, 381747, 508996, 636245, 763494, 1017992, 1272490, 1526988, 1908735, 2417731, 2544980, 3053976, 3817470, 4835462, 5089960, 7253193, 7634940, 9670924, 12088655, 14506386, 15269880, 19341848, 24177310, 29012772, 36265965, 48354620, 58025544, 72531930, 96709240, 145063860, 290127720]

約数ペア:

[(1, 290127720), (2, 145063860), (3, 96709240), (4, 72531930), (5, 58025544), (6, 48354620), (8, 36265965), (10, 29012772), (12, 24177310), (15, 19341848), (19, 15269880), (20, 14506386), (24, 12088655), (30, 9670924), (38, 7634940), (40, 7253193), (57, 5089960), (60, 4835462), (76, 3817470), (95, 3053976), (114, 2544980), (120, 2417731), (152, 1908735), (190, 1526988), (228, 1272490), (285, 1017992), (380, 763494), (456, 636245), (570, 508996), (760, 381747), (1140, 254498), (2280, 127249)]