71285940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1091}}^1$

素因数の和:1131

約数の個数: 144

約数和(自身を含む): 243996480

約数和(自身を除く): 172710540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 484, 495, 540, 594, 605, 660, 726, 990, 1089, 1091, 1188, 1210, 1452, 1485, 1815, 1980, 2178, 2182, 2420, 2970, 3267, 3273, 3630, 4356, 4364, 5445, 5455, 5940, 6534, 6546, 7260, 9819, 10890, 10910, 12001, 13068, 13092, 16335, 16365, 19638, 21780, 21820, 24002, 29457, 32670, 32730, 36003, 39276, 48004, 49095, 58914, 60005, 65340, 65460, 72006, 98190, 108009, 117828, 120010, 132011, 144012, 147285, 180015, 196380, 216018, 240020, 264022, 294570, 324027, 360030, 396033, 432036, 528044, 540045, 589140, 648054, 660055, 720060, 792066, 1080090, 1188099, 1296108, 1320110, 1584132, 1620135, 1980165, 2160180, 2376198, 2640220, 3240270, 3564297, 3960330, 4752396, 5940495, 6480540, 7128594, 7920660, 11880990, 14257188, 17821485, 23761980, 35642970, 71285940]

約数ペア:

[(1, 71285940), (2, 35642970), (3, 23761980), (4, 17821485), (5, 14257188), (6, 11880990), (9, 7920660), (10, 7128594), (11, 6480540), (12, 5940495), (15, 4752396), (18, 3960330), (20, 3564297), (22, 3240270), (27, 2640220), (30, 2376198), (33, 2160180), (36, 1980165), (44, 1620135), (45, 1584132), (54, 1320110), (55, 1296108), (60, 1188099), (66, 1080090), (90, 792066), (99, 720060), (108, 660055), (110, 648054), (121, 589140), (132, 540045), (135, 528044), (165, 432036), (180, 396033), (198, 360030), (220, 324027), (242, 294570), (270, 264022), (297, 240020), (330, 216018), (363, 196380), (396, 180015), (484, 147285), (495, 144012), (540, 132011), (594, 120010), (605, 117828), (660, 108009), (726, 98190), (990, 72006), (1089, 65460), (1091, 65340), (1188, 60005), (1210, 58914), (1452, 49095), (1485, 48004), (1815, 39276), (1980, 36003), (2178, 32730), (2182, 32670), (2420, 29457), (2970, 24002), (3267, 21820), (3273, 21780), (3630, 19638), (4356, 16365), (4364, 16335), (5445, 13092), (5455, 13068), (5940, 12001), (6534, 10910), (6546, 10890), (7260, 9819)]