74809840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 214272000

約数和(自身を除く): 139462160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 80, 89, 95, 112, 133, 140, 152, 158, 178, 190, 266, 280, 304, 316, 356, 380, 395, 445, 532, 553, 560, 623, 632, 665, 712, 760, 790, 890, 1064, 1106, 1246, 1264, 1330, 1424, 1501, 1520, 1580, 1691, 1780, 2128, 2212, 2492, 2660, 2765, 3002, 3115, 3160, 3382, 3560, 4424, 4984, 5320, 5530, 6004, 6230, 6320, 6764, 7031, 7120, 7505, 8455, 8848, 9968, 10507, 10640, 11060, 11837, 12008, 12460, 13528, 14062, 15010, 16910, 21014, 22120, 23674, 24016, 24920, 27056, 28124, 30020, 33820, 35155, 42028, 44240, 47348, 49217, 49840, 52535, 56248, 59185, 60040, 67640, 70310, 84056, 94696, 98434, 105070, 112496, 118370, 120080, 133589, 135280, 140620, 168112, 189392, 196868, 210140, 236740, 246085, 267178, 281240, 393736, 420280, 473480, 492170, 534356, 562480, 667945, 787472, 840560, 935123, 946960, 984340, 1068712, 1335890, 1870246, 1968680, 2137424, 2671780, 3740492, 3937360, 4675615, 5343560, 7480984, 9351230, 10687120, 14961968, 18702460, 37404920, 74809840]

約数ペア:

[(1, 74809840), (2, 37404920), (4, 18702460), (5, 14961968), (7, 10687120), (8, 9351230), (10, 7480984), (14, 5343560), (16, 4675615), (19, 3937360), (20, 3740492), (28, 2671780), (35, 2137424), (38, 1968680), (40, 1870246), (56, 1335890), (70, 1068712), (76, 984340), (79, 946960), (80, 935123), (89, 840560), (95, 787472), (112, 667945), (133, 562480), (140, 534356), (152, 492170), (158, 473480), (178, 420280), (190, 393736), (266, 281240), (280, 267178), (304, 246085), (316, 236740), (356, 210140), (380, 196868), (395, 189392), (445, 168112), (532, 140620), (553, 135280), (560, 133589), (623, 120080), (632, 118370), (665, 112496), (712, 105070), (760, 98434), (790, 94696), (890, 84056), (1064, 70310), (1106, 67640), (1246, 60040), (1264, 59185), (1330, 56248), (1424, 52535), (1501, 49840), (1520, 49217), (1580, 47348), (1691, 44240), (1780, 42028), (2128, 35155), (2212, 33820), (2492, 30020), (2660, 28124), (2765, 27056), (3002, 24920), (3115, 24016), (3160, 23674), (3382, 22120), (3560, 21014), (4424, 16910), (4984, 15010), (5320, 14062), (5530, 13528), (6004, 12460), (6230, 12008), (6320, 11837), (6764, 11060), (7031, 10640), (7120, 10507), (7505, 9968), (8455, 8848)]