171181920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3919}}^1$

素因数の和:3957

約数の個数: 192

約数和(自身を含む): 663828480

約数和(自身を除く): 492646560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 3919, 4368, 5460, 6240, 7280, 7838, 8736, 10920, 11757, 14560, 15676, 19595, 21840, 23514, 27433, 31352, 39190, 43680, 47028, 50947, 54866, 58785, 62704, 78380, 82299, 94056, 101894, 109732, 117570, 125408, 137165, 152841, 156760, 164598, 188112, 203788, 219464, 235140, 254735, 274330, 305682, 313520, 329196, 356629, 376224, 407576, 411495, 438928, 470280, 509470, 548660, 611364, 627040, 658392, 713258, 764205, 815152, 822990, 877856, 940560, 1018940, 1069887, 1097320, 1222728, 1316784, 1426516, 1528410, 1630304, 1645980, 1783145, 1881120, 2037880, 2139774, 2194640, 2445456, 2633568, 2853032, 3056820, 3291960, 3566290, 4075760, 4279548, 4389280, 4890912, 5349435, 5706064, 6113640, 6583920, 7132580, 8151520, 8559096, 10698870, 11412128, 12227280, 13167840, 14265160, 17118192, 21397740, 24454560, 28530320, 34236384, 42795480, 57060640, 85590960, 171181920]

約数ペア:

[(1, 171181920), (2, 85590960), (3, 57060640), (4, 42795480), (5, 34236384), (6, 28530320), (7, 24454560), (8, 21397740), (10, 17118192), (12, 14265160), (13, 13167840), (14, 12227280), (15, 11412128), (16, 10698870), (20, 8559096), (21, 8151520), (24, 7132580), (26, 6583920), (28, 6113640), (30, 5706064), (32, 5349435), (35, 4890912), (39, 4389280), (40, 4279548), (42, 4075760), (48, 3566290), (52, 3291960), (56, 3056820), (60, 2853032), (65, 2633568), (70, 2445456), (78, 2194640), (80, 2139774), (84, 2037880), (91, 1881120), (96, 1783145), (104, 1645980), (105, 1630304), (112, 1528410), (120, 1426516), (130, 1316784), (140, 1222728), (156, 1097320), (160, 1069887), (168, 1018940), (182, 940560), (195, 877856), (208, 822990), (210, 815152), (224, 764205), (240, 713258), (260, 658392), (273, 627040), (280, 611364), (312, 548660), (336, 509470), (364, 470280), (390, 438928), (416, 411495), (420, 407576), (455, 376224), (480, 356629), (520, 329196), (546, 313520), (560, 305682), (624, 274330), (672, 254735), (728, 235140), (780, 219464), (840, 203788), (910, 188112), (1040, 164598), (1092, 156760), (1120, 152841), (1248, 137165), (1365, 125408), (1456, 117570), (1560, 109732), (1680, 101894), (1820, 94056), (2080, 82299), (2184, 78380), (2730, 62704), (2912, 58785), (3120, 54866), (3360, 50947), (3640, 47028), (3919, 43680), (4368, 39190), (5460, 31352), (6240, 27433), (7280, 23514), (7838, 21840), (8736, 19595), (10920, 15676), (11757, 14560)]