642955320

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{28349}}^1$

素因数の和:28379

約数の個数: 160

約数和(自身を含む): 2469852000

約数和(自身を除く): 1826896680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 28349, 56698, 85047, 113396, 141745, 170094, 198443, 226792, 255141, 283490, 340188, 396886, 425235, 510282, 566980, 595329, 680376, 765423, 793772, 850470, 992215, 1020564, 1133960, 1190658, 1275705, 1530846, 1587544, 1700940, 1785987, 1984430, 2041128, 2296269, 2381316, 2551410, 2976645, 3061692, 3401880, 3571974, 3827115, 3968860, 4592538, 4762632, 5102820, 5357961, 5953290, 6123384, 7143948, 7654230, 7937720, 8929935, 9185076, 10205640, 10715922, 11481345, 11906580, 14287896, 15308460, 16073883, 17859870, 18370152, 21431844, 22962690, 23813160, 26789805, 30616920, 32147766, 35719740, 42863688, 45925380, 53579610, 64295532, 71439480, 80369415, 91850760, 107159220, 128591064, 160738830, 214318440, 321477660, 642955320]

約数ペア:

[(1, 642955320), (2, 321477660), (3, 214318440), (4, 160738830), (5, 128591064), (6, 107159220), (7, 91850760), (8, 80369415), (9, 71439480), (10, 64295532), (12, 53579610), (14, 45925380), (15, 42863688), (18, 35719740), (20, 32147766), (21, 30616920), (24, 26789805), (27, 23813160), (28, 22962690), (30, 21431844), (35, 18370152), (36, 17859870), (40, 16073883), (42, 15308460), (45, 14287896), (54, 11906580), (56, 11481345), (60, 10715922), (63, 10205640), (70, 9185076), (72, 8929935), (81, 7937720), (84, 7654230), (90, 7143948), (105, 6123384), (108, 5953290), (120, 5357961), (126, 5102820), (135, 4762632), (140, 4592538), (162, 3968860), (168, 3827115), (180, 3571974), (189, 3401880), (210, 3061692), (216, 2976645), (252, 2551410), (270, 2381316), (280, 2296269), (315, 2041128), (324, 1984430), (360, 1785987), (378, 1700940), (405, 1587544), (420, 1530846), (504, 1275705), (540, 1190658), (567, 1133960), (630, 1020564), (648, 992215), (756, 850470), (810, 793772), (840, 765423), (945, 680376), (1080, 595329), (1134, 566980), (1260, 510282), (1512, 425235), (1620, 396886), (1890, 340188), (2268, 283490), (2520, 255141), (2835, 226792), (3240, 198443), (3780, 170094), (4536, 141745), (5670, 113396), (7560, 85047), (11340, 56698), (22680, 28349)]