321727920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 1043933184

約数和(自身を除く): 722205264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 83, 93, 120, 124, 155, 166, 186, 240, 248, 249, 310, 332, 372, 415, 465, 496, 498, 521, 620, 664, 744, 830, 930, 996, 1042, 1240, 1245, 1328, 1488, 1563, 1660, 1860, 1992, 2084, 2480, 2490, 2573, 2605, 3126, 3320, 3720, 3984, 4168, 4980, 5146, 5210, 6252, 6640, 7440, 7719, 7815, 8336, 9960, 10292, 10420, 12504, 12865, 15438, 15630, 16151, 19920, 20584, 20840, 25008, 25730, 30876, 31260, 32302, 38595, 41168, 41680, 43243, 48453, 51460, 61752, 62520, 64604, 77190, 80755, 86486, 96906, 102920, 123504, 125040, 129208, 129729, 154380, 161510, 172972, 193812, 205840, 216215, 242265, 258416, 259458, 308760, 323020, 345944, 387624, 432430, 484530, 518916, 617520, 646040, 648645, 691888, 775248, 864860, 969060, 1037832, 1292080, 1297290, 1340533, 1729720, 1938120, 2075664, 2594580, 2681066, 3459440, 3876240, 4021599, 5189160, 5362132, 6702665, 8043198, 10378320, 10724264, 13405330, 16086396, 20107995, 21448528, 26810660, 32172792, 40215990, 53621320, 64345584, 80431980, 107242640, 160863960, 321727920]

約数ペア:

[(1, 321727920), (2, 160863960), (3, 107242640), (4, 80431980), (5, 64345584), (6, 53621320), (8, 40215990), (10, 32172792), (12, 26810660), (15, 21448528), (16, 20107995), (20, 16086396), (24, 13405330), (30, 10724264), (31, 10378320), (40, 8043198), (48, 6702665), (60, 5362132), (62, 5189160), (80, 4021599), (83, 3876240), (93, 3459440), (120, 2681066), (124, 2594580), (155, 2075664), (166, 1938120), (186, 1729720), (240, 1340533), (248, 1297290), (249, 1292080), (310, 1037832), (332, 969060), (372, 864860), (415, 775248), (465, 691888), (496, 648645), (498, 646040), (521, 617520), (620, 518916), (664, 484530), (744, 432430), (830, 387624), (930, 345944), (996, 323020), (1042, 308760), (1240, 259458), (1245, 258416), (1328, 242265), (1488, 216215), (1563, 205840), (1660, 193812), (1860, 172972), (1992, 161510), (2084, 154380), (2480, 129729), (2490, 129208), (2573, 125040), (2605, 123504), (3126, 102920), (3320, 96906), (3720, 86486), (3984, 80755), (4168, 77190), (4980, 64604), (5146, 62520), (5210, 61752), (6252, 51460), (6640, 48453), (7440, 43243), (7719, 41680), (7815, 41168), (8336, 38595), (9960, 32302), (10292, 31260), (10420, 30876), (12504, 25730), (12865, 25008), (15438, 20840), (15630, 20584), (16151, 19920)]