87828580

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 225872640

約数和(自身を除く): 138044060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 59, 62, 70, 98, 118, 124, 140, 155, 196, 217, 236, 245, 295, 310, 343, 413, 434, 490, 590, 620, 686, 826, 868, 980, 1085, 1180, 1372, 1519, 1652, 1715, 1829, 2065, 2170, 2401, 2891, 3038, 3430, 3658, 4130, 4340, 4802, 5782, 6076, 6860, 7316, 7595, 8260, 9145, 9604, 10633, 11564, 12005, 12803, 14455, 15190, 18290, 20237, 21266, 24010, 25606, 28910, 30380, 36580, 40474, 42532, 48020, 51212, 53165, 57820, 64015, 74431, 80948, 89621, 101185, 106330, 128030, 141659, 148862, 179242, 202370, 212660, 256060, 283318, 297724, 358484, 372155, 404740, 448105, 566636, 627347, 708295, 744310, 896210, 1254694, 1416590, 1488620, 1792420, 2509388, 2833180, 3136735, 4391429, 6273470, 8782858, 12546940, 17565716, 21957145, 43914290, 87828580]

約数ペア:

[(1, 87828580), (2, 43914290), (4, 21957145), (5, 17565716), (7, 12546940), (10, 8782858), (14, 6273470), (20, 4391429), (28, 3136735), (31, 2833180), (35, 2509388), (49, 1792420), (59, 1488620), (62, 1416590), (70, 1254694), (98, 896210), (118, 744310), (124, 708295), (140, 627347), (155, 566636), (196, 448105), (217, 404740), (236, 372155), (245, 358484), (295, 297724), (310, 283318), (343, 256060), (413, 212660), (434, 202370), (490, 179242), (590, 148862), (620, 141659), (686, 128030), (826, 106330), (868, 101185), (980, 89621), (1085, 80948), (1180, 74431), (1372, 64015), (1519, 57820), (1652, 53165), (1715, 51212), (1829, 48020), (2065, 42532), (2170, 40474), (2401, 36580), (2891, 30380), (3038, 28910), (3430, 25606), (3658, 24010), (4130, 21266), (4340, 20237), (4802, 18290), (5782, 15190), (6076, 14455), (6860, 12803), (7316, 12005), (7595, 11564), (8260, 10633), (9145, 9604)]