23121720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 78336000

約数和(自身を除く): 55214280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 271, 316, 360, 395, 474, 540, 542, 632, 711, 790, 813, 948, 1080, 1084, 1185, 1355, 1422, 1580, 1626, 1896, 2133, 2168, 2370, 2439, 2710, 2844, 3160, 3252, 3555, 4065, 4266, 4740, 4878, 5420, 5688, 6504, 7110, 7317, 8130, 8532, 9480, 9756, 10665, 10840, 12195, 14220, 14634, 16260, 17064, 19512, 21330, 21409, 24390, 28440, 29268, 32520, 36585, 42660, 42818, 48780, 58536, 64227, 73170, 85320, 85636, 97560, 107045, 128454, 146340, 171272, 192681, 214090, 256908, 292680, 321135, 385362, 428180, 513816, 578043, 642270, 770724, 856360, 963405, 1156086, 1284540, 1541448, 1926810, 2312172, 2569080, 2890215, 3853620, 4624344, 5780430, 7707240, 11560860, 23121720]

約数ペア:

[(1, 23121720), (2, 11560860), (3, 7707240), (4, 5780430), (5, 4624344), (6, 3853620), (8, 2890215), (9, 2569080), (10, 2312172), (12, 1926810), (15, 1541448), (18, 1284540), (20, 1156086), (24, 963405), (27, 856360), (30, 770724), (36, 642270), (40, 578043), (45, 513816), (54, 428180), (60, 385362), (72, 321135), (79, 292680), (90, 256908), (108, 214090), (120, 192681), (135, 171272), (158, 146340), (180, 128454), (216, 107045), (237, 97560), (270, 85636), (271, 85320), (316, 73170), (360, 64227), (395, 58536), (474, 48780), (540, 42818), (542, 42660), (632, 36585), (711, 32520), (790, 29268), (813, 28440), (948, 24390), (1080, 21409), (1084, 21330), (1185, 19512), (1355, 17064), (1422, 16260), (1580, 14634), (1626, 14220), (1896, 12195), (2133, 10840), (2168, 10665), (2370, 9756), (2439, 9480), (2710, 8532), (2844, 8130), (3160, 7317), (3252, 7110), (3555, 6504), (4065, 5688), (4266, 5420), (4740, 4878)]