172945980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 561943200

約数和(自身を除く): 388997220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 228, 244, 285, 305, 342, 366, 380, 549, 570, 610, 684, 732, 829, 855, 915, 1098, 1140, 1159, 1220, 1658, 1710, 1830, 2196, 2318, 2487, 2745, 3316, 3420, 3477, 3660, 4145, 4636, 4974, 5490, 5795, 6954, 7461, 8290, 9948, 10431, 10980, 11590, 12435, 13908, 14922, 15751, 16580, 17385, 20862, 23180, 24870, 29844, 31502, 34770, 37305, 41724, 47253, 49740, 50569, 52155, 63004, 69540, 74610, 78755, 94506, 101138, 104310, 141759, 149220, 151707, 157510, 189012, 202276, 208620, 236265, 252845, 283518, 303414, 315020, 455121, 472530, 505690, 567036, 606828, 708795, 758535, 910242, 945060, 960811, 1011380, 1417590, 1517070, 1820484, 1921622, 2275605, 2835180, 2882433, 3034140, 3843244, 4551210, 4804055, 5764866, 8647299, 9102420, 9608110, 11529732, 14412165, 17294598, 19216220, 28824330, 34589196, 43236495, 57648660, 86472990, 172945980]

約数ペア:

[(1, 172945980), (2, 86472990), (3, 57648660), (4, 43236495), (5, 34589196), (6, 28824330), (9, 19216220), (10, 17294598), (12, 14412165), (15, 11529732), (18, 9608110), (19, 9102420), (20, 8647299), (30, 5764866), (36, 4804055), (38, 4551210), (45, 3843244), (57, 3034140), (60, 2882433), (61, 2835180), (76, 2275605), (90, 1921622), (95, 1820484), (114, 1517070), (122, 1417590), (171, 1011380), (180, 960811), (183, 945060), (190, 910242), (228, 758535), (244, 708795), (285, 606828), (305, 567036), (342, 505690), (366, 472530), (380, 455121), (549, 315020), (570, 303414), (610, 283518), (684, 252845), (732, 236265), (829, 208620), (855, 202276), (915, 189012), (1098, 157510), (1140, 151707), (1159, 149220), (1220, 141759), (1658, 104310), (1710, 101138), (1830, 94506), (2196, 78755), (2318, 74610), (2487, 69540), (2745, 63004), (3316, 52155), (3420, 50569), (3477, 49740), (3660, 47253), (4145, 41724), (4636, 37305), (4974, 34770), (5490, 31502), (5795, 29844), (6954, 24870), (7461, 23180), (8290, 20862), (9948, 17385), (10431, 16580), (10980, 15751), (11590, 14922), (12435, 13908)]