78481260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3049}}^1$

素因数の和:3088

約数の個数: 144

約数和(自身を含む): 279770400

約数和(自身を除く): 201289140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 3049, 4290, 5148, 6098, 6435, 8580, 9147, 12196, 12870, 15245, 18294, 25740, 27441, 30490, 33539, 36588, 39637, 45735, 54882, 60980, 67078, 79274, 91470, 100617, 109764, 118911, 134156, 137205, 158548, 167695, 182940, 198185, 201234, 237822, 274410, 301851, 335390, 356733, 396370, 402468, 436007, 475644, 503085, 548820, 594555, 603702, 670780, 713466, 792740, 872014, 1006170, 1189110, 1207404, 1308021, 1426932, 1509255, 1744028, 1783665, 2012340, 2180035, 2378220, 2616042, 3018510, 3567330, 3924063, 4360070, 5232084, 6037020, 6540105, 7134660, 7848126, 8720140, 13080210, 15696252, 19620315, 26160420, 39240630, 78481260]

約数ペア:

[(1, 78481260), (2, 39240630), (3, 26160420), (4, 19620315), (5, 15696252), (6, 13080210), (9, 8720140), (10, 7848126), (11, 7134660), (12, 6540105), (13, 6037020), (15, 5232084), (18, 4360070), (20, 3924063), (22, 3567330), (26, 3018510), (30, 2616042), (33, 2378220), (36, 2180035), (39, 2012340), (44, 1783665), (45, 1744028), (52, 1509255), (55, 1426932), (60, 1308021), (65, 1207404), (66, 1189110), (78, 1006170), (90, 872014), (99, 792740), (110, 713466), (117, 670780), (130, 603702), (132, 594555), (143, 548820), (156, 503085), (165, 475644), (180, 436007), (195, 402468), (198, 396370), (220, 356733), (234, 335390), (260, 301851), (286, 274410), (330, 237822), (390, 201234), (396, 198185), (429, 182940), (468, 167695), (495, 158548), (572, 137205), (585, 134156), (660, 118911), (715, 109764), (780, 100617), (858, 91470), (990, 79274), (1170, 67078), (1287, 60980), (1430, 54882), (1716, 45735), (1980, 39637), (2145, 36588), (2340, 33539), (2574, 30490), (2860, 27441), (3049, 25740), (4290, 18294), (5148, 15245), (6098, 12870), (6435, 12196), (8580, 9147)]