142820720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 160

約数和(自身を含む): 413306880

約数和(自身を除く): 270486160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 433, 434, 496, 532, 560, 589, 620, 665, 760, 866, 868, 1064, 1085, 1178, 1240, 1330, 1520, 1732, 1736, 2128, 2165, 2170, 2356, 2480, 2660, 2945, 3031, 3464, 3472, 4123, 4330, 4340, 4712, 5320, 5890, 6062, 6928, 8227, 8246, 8660, 8680, 9424, 10640, 11780, 12124, 13423, 15155, 16454, 16492, 17320, 17360, 20615, 23560, 24248, 26846, 30310, 32908, 32984, 34640, 41135, 41230, 47120, 48496, 53692, 57589, 60620, 65816, 65968, 67115, 82270, 82460, 93961, 107384, 115178, 121240, 131632, 134230, 164540, 164920, 187922, 214768, 230356, 242480, 255037, 268460, 287945, 329080, 329840, 375844, 460712, 469805, 510074, 536920, 575890, 658160, 751688, 921424, 939610, 1020148, 1073840, 1151780, 1275185, 1503376, 1785259, 1879220, 2040296, 2303560, 2550370, 3570518, 3758440, 4080592, 4607120, 5100740, 7141036, 7516880, 8926295, 10201480, 14282072, 17852590, 20402960, 28564144, 35705180, 71410360, 142820720]

約数ペア:

[(1, 142820720), (2, 71410360), (4, 35705180), (5, 28564144), (7, 20402960), (8, 17852590), (10, 14282072), (14, 10201480), (16, 8926295), (19, 7516880), (20, 7141036), (28, 5100740), (31, 4607120), (35, 4080592), (38, 3758440), (40, 3570518), (56, 2550370), (62, 2303560), (70, 2040296), (76, 1879220), (80, 1785259), (95, 1503376), (112, 1275185), (124, 1151780), (133, 1073840), (140, 1020148), (152, 939610), (155, 921424), (190, 751688), (217, 658160), (248, 575890), (266, 536920), (280, 510074), (304, 469805), (310, 460712), (380, 375844), (433, 329840), (434, 329080), (496, 287945), (532, 268460), (560, 255037), (589, 242480), (620, 230356), (665, 214768), (760, 187922), (866, 164920), (868, 164540), (1064, 134230), (1085, 131632), (1178, 121240), (1240, 115178), (1330, 107384), (1520, 93961), (1732, 82460), (1736, 82270), (2128, 67115), (2165, 65968), (2170, 65816), (2356, 60620), (2480, 57589), (2660, 53692), (2945, 48496), (3031, 47120), (3464, 41230), (3472, 41135), (4123, 34640), (4330, 32984), (4340, 32908), (4712, 30310), (5320, 26846), (5890, 24248), (6062, 23560), (6928, 20615), (8227, 17360), (8246, 17320), (8660, 16492), (8680, 16454), (9424, 15155), (10640, 13423), (11780, 12124)]