171852720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 240

約数和(自身を含む): 609960960

約数和(自身を除く): 438108240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 169, 190, 195, 208, 223, 228, 240, 247, 260, 285, 304, 312, 338, 380, 390, 446, 456, 494, 507, 520, 570, 624, 669, 676, 741, 760, 780, 845, 892, 912, 988, 1014, 1040, 1115, 1140, 1235, 1338, 1352, 1482, 1520, 1560, 1690, 1784, 1976, 2028, 2230, 2280, 2470, 2535, 2676, 2704, 2899, 2964, 3120, 3211, 3345, 3380, 3568, 3705, 3952, 4056, 4237, 4460, 4560, 4940, 5070, 5352, 5798, 5928, 6422, 6690, 6760, 7410, 8112, 8474, 8697, 8920, 9633, 9880, 10140, 10704, 11596, 11856, 12711, 12844, 13380, 13520, 14495, 14820, 16055, 16948, 17394, 17840, 19266, 19760, 20280, 21185, 23192, 25422, 25688, 26760, 28990, 29640, 32110, 33896, 34788, 37687, 38532, 40560, 42370, 43485, 46384, 48165, 50844, 51376, 53520, 55081, 57980, 59280, 63555, 64220, 67792, 69576, 75374, 77064, 84740, 86970, 96330, 101688, 110162, 113061, 115960, 127110, 128440, 139152, 150748, 154128, 165243, 169480, 173940, 188435, 192660, 203376, 220324, 226122, 231920, 254220, 256880, 275405, 301496, 330486, 338960, 347880, 376870, 385320, 440648, 452244, 508440, 550810, 565305, 602992, 660972, 695760, 716053, 753740, 770640, 826215, 881296, 904488, 1016880, 1101620, 1130610, 1321944, 1432106, 1507480, 1652430, 1808976, 2148159, 2203240, 2261220, 2643888, 2864212, 3014960, 3304860, 3580265, 4296318, 4406480, 4522440, 5728424, 6609720, 7160530, 8592636, 9044880, 10740795, 11456848, 13219440, 14321060, 17185272, 21481590, 28642120, 34370544, 42963180, 57284240, 85926360, 171852720]

約数ペア:

[(1, 171852720), (2, 85926360), (3, 57284240), (4, 42963180), (5, 34370544), (6, 28642120), (8, 21481590), (10, 17185272), (12, 14321060), (13, 13219440), (15, 11456848), (16, 10740795), (19, 9044880), (20, 8592636), (24, 7160530), (26, 6609720), (30, 5728424), (38, 4522440), (39, 4406480), (40, 4296318), (48, 3580265), (52, 3304860), (57, 3014960), (60, 2864212), (65, 2643888), (76, 2261220), (78, 2203240), (80, 2148159), (95, 1808976), (104, 1652430), (114, 1507480), (120, 1432106), (130, 1321944), (152, 1130610), (156, 1101620), (169, 1016880), (190, 904488), (195, 881296), (208, 826215), (223, 770640), (228, 753740), (240, 716053), (247, 695760), (260, 660972), (285, 602992), (304, 565305), (312, 550810), (338, 508440), (380, 452244), (390, 440648), (446, 385320), (456, 376870), (494, 347880), (507, 338960), (520, 330486), (570, 301496), (624, 275405), (669, 256880), (676, 254220), (741, 231920), (760, 226122), (780, 220324), (845, 203376), (892, 192660), (912, 188435), (988, 173940), (1014, 169480), (1040, 165243), (1115, 154128), (1140, 150748), (1235, 139152), (1338, 128440), (1352, 127110), (1482, 115960), (1520, 113061), (1560, 110162), (1690, 101688), (1784, 96330), (1976, 86970), (2028, 84740), (2230, 77064), (2280, 75374), (2470, 69576), (2535, 67792), (2676, 64220), (2704, 63555), (2899, 59280), (2964, 57980), (3120, 55081), (3211, 53520), (3345, 51376), (3380, 50844), (3568, 48165), (3705, 46384), (3952, 43485), (4056, 42370), (4237, 40560), (4460, 38532), (4560, 37687), (4940, 34788), (5070, 33896), (5352, 32110), (5798, 29640), (5928, 28990), (6422, 26760), (6690, 25688), (6760, 25422), (7410, 23192), (8112, 21185), (8474, 20280), (8697, 19760), (8920, 19266), (9633, 17840), (9880, 17394), (10140, 16948), (10704, 16055), (11596, 14820), (11856, 14495), (12711, 13520), (12844, 13380)]