153870780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 505612800

約数和(自身を除く): 351742020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 199, 210, 245, 263, 294, 398, 420, 490, 526, 588, 597, 735, 789, 796, 980, 995, 1052, 1194, 1315, 1393, 1470, 1578, 1841, 1990, 2388, 2630, 2786, 2940, 2985, 3156, 3682, 3945, 3980, 4179, 5260, 5523, 5572, 5970, 6965, 7364, 7890, 8358, 9205, 9751, 11046, 11940, 12887, 13930, 15780, 16716, 18410, 19502, 20895, 22092, 25774, 27615, 27860, 29253, 36820, 38661, 39004, 41790, 48755, 51548, 52337, 55230, 58506, 64435, 77322, 83580, 97510, 104674, 110460, 117012, 128870, 146265, 154644, 157011, 193305, 195020, 209348, 257740, 261685, 292530, 314022, 366359, 386610, 523370, 585060, 628044, 732718, 773220, 785055, 1046740, 1099077, 1465436, 1570110, 1831795, 2198154, 2564513, 3140220, 3663590, 4396308, 5129026, 5495385, 7327180, 7693539, 10258052, 10990770, 12822565, 15387078, 21981540, 25645130, 30774156, 38467695, 51290260, 76935390, 153870780]

約数ペア:

[(1, 153870780), (2, 76935390), (3, 51290260), (4, 38467695), (5, 30774156), (6, 25645130), (7, 21981540), (10, 15387078), (12, 12822565), (14, 10990770), (15, 10258052), (20, 7693539), (21, 7327180), (28, 5495385), (30, 5129026), (35, 4396308), (42, 3663590), (49, 3140220), (60, 2564513), (70, 2198154), (84, 1831795), (98, 1570110), (105, 1465436), (140, 1099077), (147, 1046740), (196, 785055), (199, 773220), (210, 732718), (245, 628044), (263, 585060), (294, 523370), (398, 386610), (420, 366359), (490, 314022), (526, 292530), (588, 261685), (597, 257740), (735, 209348), (789, 195020), (796, 193305), (980, 157011), (995, 154644), (1052, 146265), (1194, 128870), (1315, 117012), (1393, 110460), (1470, 104674), (1578, 97510), (1841, 83580), (1990, 77322), (2388, 64435), (2630, 58506), (2786, 55230), (2940, 52337), (2985, 51548), (3156, 48755), (3682, 41790), (3945, 39004), (3980, 38661), (4179, 36820), (5260, 29253), (5523, 27860), (5572, 27615), (5970, 25774), (6965, 22092), (7364, 20895), (7890, 19502), (8358, 18410), (9205, 16716), (9751, 15780), (11046, 13930), (11940, 12887)]