78818220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2591}}^1$

素因数の和:2632

約数の個数: 108

約数和(自身を含む): 258987456

約数和(自身を除く): 180169236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 2591, 3042, 3380, 5070, 5182, 6084, 7605, 7773, 10140, 10364, 12955, 15210, 15546, 23319, 25910, 30420, 31092, 33683, 38865, 46638, 51820, 67366, 77730, 93276, 101049, 116595, 134732, 155460, 168415, 202098, 233190, 303147, 336830, 404196, 437879, 466380, 505245, 606294, 673660, 875758, 1010490, 1212588, 1313637, 1515735, 1751516, 2020980, 2189395, 2627274, 3031470, 3940911, 4378790, 5254548, 6062940, 6568185, 7881822, 8757580, 13136370, 15763644, 19704555, 26272740, 39409110, 78818220]

約数ペア:

[(1, 78818220), (2, 39409110), (3, 26272740), (4, 19704555), (5, 15763644), (6, 13136370), (9, 8757580), (10, 7881822), (12, 6568185), (13, 6062940), (15, 5254548), (18, 4378790), (20, 3940911), (26, 3031470), (30, 2627274), (36, 2189395), (39, 2020980), (45, 1751516), (52, 1515735), (60, 1313637), (65, 1212588), (78, 1010490), (90, 875758), (117, 673660), (130, 606294), (156, 505245), (169, 466380), (180, 437879), (195, 404196), (234, 336830), (260, 303147), (338, 233190), (390, 202098), (468, 168415), (507, 155460), (585, 134732), (676, 116595), (780, 101049), (845, 93276), (1014, 77730), (1170, 67366), (1521, 51820), (1690, 46638), (2028, 38865), (2340, 33683), (2535, 31092), (2591, 30420), (3042, 25910), (3380, 23319), (5070, 15546), (5182, 15210), (6084, 12955), (7605, 10364), (7773, 10140)]