72821280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21673}}^1$

素因数の和:21698

約数の個数: 96

約数和(自身を含む): 262168704

約数和(自身を除く): 189347424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 21673, 43346, 65019, 86692, 108365, 130038, 151711, 173384, 216730, 260076, 303422, 325095, 346768, 433460, 455133, 520152, 606844, 650190, 693536, 758555, 866920, 910266, 1040304, 1213688, 1300380, 1517110, 1733840, 1820532, 2080608, 2275665, 2427376, 2600760, 3034220, 3467680, 3641064, 4551330, 4854752, 5201520, 6068440, 7282128, 9102660, 10403040, 12136880, 14564256, 18205320, 24273760, 36410640, 72821280]

約数ペア:

[(1, 72821280), (2, 36410640), (3, 24273760), (4, 18205320), (5, 14564256), (6, 12136880), (7, 10403040), (8, 9102660), (10, 7282128), (12, 6068440), (14, 5201520), (15, 4854752), (16, 4551330), (20, 3641064), (21, 3467680), (24, 3034220), (28, 2600760), (30, 2427376), (32, 2275665), (35, 2080608), (40, 1820532), (42, 1733840), (48, 1517110), (56, 1300380), (60, 1213688), (70, 1040304), (80, 910266), (84, 866920), (96, 758555), (105, 693536), (112, 650190), (120, 606844), (140, 520152), (160, 455133), (168, 433460), (210, 346768), (224, 325095), (240, 303422), (280, 260076), (336, 216730), (420, 173384), (480, 151711), (560, 130038), (672, 108365), (840, 86692), (1120, 65019), (1680, 43346), (3360, 21673)]