81969580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 236888064

約数和(自身を除く): 154918484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 31, 34, 35, 44, 55, 62, 68, 70, 77, 85, 101, 110, 119, 124, 140, 154, 155, 170, 187, 202, 217, 220, 238, 308, 310, 340, 341, 374, 385, 404, 434, 476, 505, 527, 595, 620, 682, 707, 748, 770, 868, 935, 1010, 1054, 1085, 1111, 1190, 1309, 1364, 1414, 1540, 1705, 1717, 1870, 2020, 2108, 2170, 2222, 2380, 2387, 2618, 2635, 2828, 3131, 3410, 3434, 3535, 3689, 3740, 4340, 4444, 4774, 5236, 5270, 5555, 5797, 6262, 6545, 6820, 6868, 7070, 7378, 7777, 8585, 9548, 10540, 11110, 11594, 11935, 12019, 12524, 13090, 14140, 14756, 15554, 15655, 17170, 18445, 18887, 21917, 22220, 23188, 23870, 24038, 26180, 28985, 31108, 31310, 34340, 34441, 36890, 37774, 38885, 40579, 43834, 47740, 48076, 53227, 57970, 60095, 62620, 68882, 73780, 75548, 77770, 81158, 87668, 94435, 106454, 109585, 115940, 120190, 132209, 137764, 155540, 162316, 172205, 188870, 202895, 212908, 219170, 240380, 241087, 264418, 266135, 344410, 372589, 377740, 405790, 438340, 482174, 528836, 532270, 585497, 661045, 688820, 745178, 811580, 964348, 1064540, 1170994, 1205435, 1322090, 1490356, 1862945, 2341988, 2410870, 2644180, 2927485, 3725890, 4098479, 4821740, 5854970, 7451780, 8196958, 11709940, 16393916, 20492395, 40984790, 81969580]

約数ペア:

[(1, 81969580), (2, 40984790), (4, 20492395), (5, 16393916), (7, 11709940), (10, 8196958), (11, 7451780), (14, 5854970), (17, 4821740), (20, 4098479), (22, 3725890), (28, 2927485), (31, 2644180), (34, 2410870), (35, 2341988), (44, 1862945), (55, 1490356), (62, 1322090), (68, 1205435), (70, 1170994), (77, 1064540), (85, 964348), (101, 811580), (110, 745178), (119, 688820), (124, 661045), (140, 585497), (154, 532270), (155, 528836), (170, 482174), (187, 438340), (202, 405790), (217, 377740), (220, 372589), (238, 344410), (308, 266135), (310, 264418), (340, 241087), (341, 240380), (374, 219170), (385, 212908), (404, 202895), (434, 188870), (476, 172205), (505, 162316), (527, 155540), (595, 137764), (620, 132209), (682, 120190), (707, 115940), (748, 109585), (770, 106454), (868, 94435), (935, 87668), (1010, 81158), (1054, 77770), (1085, 75548), (1111, 73780), (1190, 68882), (1309, 62620), (1364, 60095), (1414, 57970), (1540, 53227), (1705, 48076), (1717, 47740), (1870, 43834), (2020, 40579), (2108, 38885), (2170, 37774), (2222, 36890), (2380, 34441), (2387, 34340), (2618, 31310), (2635, 31108), (2828, 28985), (3131, 26180), (3410, 24038), (3434, 23870), (3535, 23188), (3689, 22220), (3740, 21917), (4340, 18887), (4444, 18445), (4774, 17170), (5236, 15655), (5270, 15554), (5555, 14756), (5797, 14140), (6262, 13090), (6545, 12524), (6820, 12019), (6868, 11935), (7070, 11594), (7378, 11110), (7777, 10540), (8585, 9548)]