19578480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 63506352

約数和(自身を除く): 43927872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 97, 116, 120, 145, 174, 194, 232, 240, 290, 291, 348, 388, 435, 464, 485, 580, 582, 696, 776, 841, 870, 970, 1160, 1164, 1392, 1455, 1552, 1682, 1740, 1940, 2320, 2328, 2523, 2813, 2910, 3364, 3480, 3880, 4205, 4656, 5046, 5626, 5820, 6728, 6960, 7760, 8410, 8439, 10092, 11252, 11640, 12615, 13456, 14065, 16820, 16878, 20184, 22504, 23280, 25230, 28130, 33640, 33756, 40368, 42195, 45008, 50460, 56260, 67280, 67512, 81577, 84390, 100920, 112520, 135024, 163154, 168780, 201840, 225040, 244731, 326308, 337560, 407885, 489462, 652616, 675120, 815770, 978924, 1223655, 1305232, 1631540, 1957848, 2447310, 3263080, 3915696, 4894620, 6526160, 9789240, 19578480]

約数ペア:

[(1, 19578480), (2, 9789240), (3, 6526160), (4, 4894620), (5, 3915696), (6, 3263080), (8, 2447310), (10, 1957848), (12, 1631540), (15, 1305232), (16, 1223655), (20, 978924), (24, 815770), (29, 675120), (30, 652616), (40, 489462), (48, 407885), (58, 337560), (60, 326308), (80, 244731), (87, 225040), (97, 201840), (116, 168780), (120, 163154), (145, 135024), (174, 112520), (194, 100920), (232, 84390), (240, 81577), (290, 67512), (291, 67280), (348, 56260), (388, 50460), (435, 45008), (464, 42195), (485, 40368), (580, 33756), (582, 33640), (696, 28130), (776, 25230), (841, 23280), (870, 22504), (970, 20184), (1160, 16878), (1164, 16820), (1392, 14065), (1455, 13456), (1552, 12615), (1682, 11640), (1740, 11252), (1940, 10092), (2320, 8439), (2328, 8410), (2523, 7760), (2813, 6960), (2910, 6728), (3364, 5820), (3480, 5626), (3880, 5046), (4205, 4656)]