68880140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 174182400

約数和(自身を除く): 105302260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 59, 62, 70, 118, 124, 140, 155, 217, 236, 269, 295, 310, 413, 434, 538, 590, 620, 826, 868, 1076, 1085, 1180, 1345, 1652, 1829, 1883, 2065, 2170, 2690, 3658, 3766, 4130, 4340, 5380, 7316, 7532, 8260, 8339, 9145, 9415, 12803, 15871, 16678, 18290, 18830, 25606, 31742, 33356, 36580, 37660, 41695, 51212, 58373, 63484, 64015, 79355, 83390, 111097, 116746, 128030, 158710, 166780, 222194, 233492, 256060, 291865, 317420, 444388, 492001, 555485, 583730, 984002, 1110970, 1167460, 1968004, 2221940, 2460005, 3444007, 4920010, 6888014, 9840020, 13776028, 17220035, 34440070, 68880140]

約数ペア:

[(1, 68880140), (2, 34440070), (4, 17220035), (5, 13776028), (7, 9840020), (10, 6888014), (14, 4920010), (20, 3444007), (28, 2460005), (31, 2221940), (35, 1968004), (59, 1167460), (62, 1110970), (70, 984002), (118, 583730), (124, 555485), (140, 492001), (155, 444388), (217, 317420), (236, 291865), (269, 256060), (295, 233492), (310, 222194), (413, 166780), (434, 158710), (538, 128030), (590, 116746), (620, 111097), (826, 83390), (868, 79355), (1076, 64015), (1085, 63484), (1180, 58373), (1345, 51212), (1652, 41695), (1829, 37660), (1883, 36580), (2065, 33356), (2170, 31742), (2690, 25606), (3658, 18830), (3766, 18290), (4130, 16678), (4340, 15871), (5380, 12803), (7316, 9415), (7532, 9145), (8260, 8339)]