71407260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 228114432

約数和(自身を除く): 156707172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 90, 93, 124, 134, 155, 180, 186, 191, 201, 268, 279, 310, 335, 372, 382, 402, 465, 558, 573, 603, 620, 670, 764, 804, 930, 955, 1005, 1116, 1146, 1206, 1340, 1395, 1719, 1860, 1910, 2010, 2077, 2292, 2412, 2790, 2865, 3015, 3438, 3820, 4020, 4154, 5580, 5730, 5921, 6030, 6231, 6876, 8308, 8595, 10385, 11460, 11842, 12060, 12462, 12797, 17190, 17763, 18693, 20770, 23684, 24924, 25594, 29605, 31155, 34380, 35526, 37386, 38391, 41540, 51188, 53289, 59210, 62310, 63985, 71052, 74772, 76782, 88815, 93465, 106578, 115173, 118420, 124620, 127970, 153564, 177630, 186930, 191955, 213156, 230346, 255940, 266445, 355260, 373860, 383910, 396707, 460692, 532890, 575865, 767820, 793414, 1065780, 1151730, 1190121, 1586828, 1983535, 2303460, 2380242, 3570363, 3967070, 4760484, 5950605, 7140726, 7934140, 11901210, 14281452, 17851815, 23802420, 35703630, 71407260]

約数ペア:

[(1, 71407260), (2, 35703630), (3, 23802420), (4, 17851815), (5, 14281452), (6, 11901210), (9, 7934140), (10, 7140726), (12, 5950605), (15, 4760484), (18, 3967070), (20, 3570363), (30, 2380242), (31, 2303460), (36, 1983535), (45, 1586828), (60, 1190121), (62, 1151730), (67, 1065780), (90, 793414), (93, 767820), (124, 575865), (134, 532890), (155, 460692), (180, 396707), (186, 383910), (191, 373860), (201, 355260), (268, 266445), (279, 255940), (310, 230346), (335, 213156), (372, 191955), (382, 186930), (402, 177630), (465, 153564), (558, 127970), (573, 124620), (603, 118420), (620, 115173), (670, 106578), (764, 93465), (804, 88815), (930, 76782), (955, 74772), (1005, 71052), (1116, 63985), (1146, 62310), (1206, 59210), (1340, 53289), (1395, 51188), (1719, 41540), (1860, 38391), (1910, 37386), (2010, 35526), (2077, 34380), (2292, 31155), (2412, 29605), (2790, 25594), (2865, 24924), (3015, 23684), (3438, 20770), (3820, 18693), (4020, 17763), (4154, 17190), (5580, 12797), (5730, 12462), (5921, 12060), (6030, 11842), (6231, 11460), (6876, 10385), (8308, 8595)]