177206540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 471905280

約数和(自身を除く): 294698740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 307, 310, 380, 434, 490, 532, 589, 614, 620, 665, 868, 931, 980, 1085, 1178, 1228, 1330, 1519, 1535, 1862, 2149, 2170, 2356, 2660, 2945, 3038, 3070, 3724, 4123, 4298, 4340, 4655, 5833, 5890, 6076, 6140, 7595, 8246, 8596, 9310, 9517, 10745, 11666, 11780, 15043, 15190, 16492, 18620, 19034, 20615, 21490, 23332, 28861, 29165, 30086, 30380, 38068, 40831, 41230, 42980, 47585, 57722, 58330, 60172, 66619, 75215, 81662, 82460, 95170, 115444, 116660, 133238, 144305, 150430, 163324, 180823, 190340, 204155, 266476, 285817, 288610, 300860, 333095, 361646, 408310, 466333, 571634, 577220, 666190, 723292, 816620, 904115, 932666, 1143268, 1265761, 1332380, 1429085, 1808230, 1865332, 2331665, 2531522, 2858170, 3616460, 4663330, 5063044, 5716340, 6328805, 8860327, 9326660, 12657610, 17720654, 25315220, 35441308, 44301635, 88603270, 177206540]

約数ペア:

[(1, 177206540), (2, 88603270), (4, 44301635), (5, 35441308), (7, 25315220), (10, 17720654), (14, 12657610), (19, 9326660), (20, 8860327), (28, 6328805), (31, 5716340), (35, 5063044), (38, 4663330), (49, 3616460), (62, 2858170), (70, 2531522), (76, 2331665), (95, 1865332), (98, 1808230), (124, 1429085), (133, 1332380), (140, 1265761), (155, 1143268), (190, 932666), (196, 904115), (217, 816620), (245, 723292), (266, 666190), (307, 577220), (310, 571634), (380, 466333), (434, 408310), (490, 361646), (532, 333095), (589, 300860), (614, 288610), (620, 285817), (665, 266476), (868, 204155), (931, 190340), (980, 180823), (1085, 163324), (1178, 150430), (1228, 144305), (1330, 133238), (1519, 116660), (1535, 115444), (1862, 95170), (2149, 82460), (2170, 81662), (2356, 75215), (2660, 66619), (2945, 60172), (3038, 58330), (3070, 57722), (3724, 47585), (4123, 42980), (4298, 41230), (4340, 40831), (4655, 38068), (5833, 30380), (5890, 30086), (6076, 29165), (6140, 28861), (7595, 23332), (8246, 21490), (8596, 20615), (9310, 19034), (9517, 18620), (10745, 16492), (11666, 15190), (11780, 15043)]