68877540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 238203504

約数和(自身を除く): 169325964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 41, 45, 51, 54, 60, 61, 68, 81, 82, 85, 90, 102, 108, 122, 123, 135, 153, 162, 164, 170, 180, 183, 204, 205, 244, 246, 255, 270, 305, 306, 324, 340, 366, 369, 405, 410, 459, 492, 510, 540, 549, 610, 612, 615, 697, 732, 738, 765, 810, 820, 915, 918, 1020, 1037, 1098, 1107, 1220, 1230, 1377, 1394, 1476, 1530, 1620, 1647, 1830, 1836, 1845, 2074, 2091, 2196, 2214, 2295, 2460, 2501, 2745, 2754, 2788, 3060, 3111, 3294, 3321, 3485, 3660, 3690, 4148, 4182, 4428, 4590, 4941, 5002, 5185, 5490, 5508, 5535, 6222, 6273, 6588, 6642, 6885, 6970, 7380, 7503, 8235, 8364, 9180, 9333, 9882, 10004, 10370, 10455, 10980, 11070, 12444, 12505, 12546, 13284, 13770, 13940, 15006, 15555, 16470, 16605, 18666, 18819, 19764, 20740, 20910, 22140, 22509, 24705, 25010, 25092, 27540, 27999, 30012, 31110, 31365, 32940, 33210, 37332, 37515, 37638, 41820, 42517, 45018, 46665, 49410, 50020, 55998, 56457, 62220, 62730, 66420, 67527, 75030, 75276, 83997, 85034, 90036, 93330, 94095, 98820, 111996, 112545, 112914, 125460, 127551, 135054, 139995, 150060, 167994, 170068, 186660, 188190, 202581, 212585, 225090, 225828, 255102, 270108, 279990, 282285, 335988, 337635, 376380, 382653, 405162, 419985, 425170, 450180, 510204, 559980, 564570, 637755, 675270, 765306, 810324, 839970, 850340, 1012905, 1129140, 1147959, 1275510, 1350540, 1530612, 1679940, 1913265, 2025810, 2295918, 2551020, 3443877, 3826530, 4051620, 4591836, 5739795, 6887754, 7653060, 11479590, 13775508, 17219385, 22959180, 34438770, 68877540]

約数ペア:

[(1, 68877540), (2, 34438770), (3, 22959180), (4, 17219385), (5, 13775508), (6, 11479590), (9, 7653060), (10, 6887754), (12, 5739795), (15, 4591836), (17, 4051620), (18, 3826530), (20, 3443877), (27, 2551020), (30, 2295918), (34, 2025810), (36, 1913265), (41, 1679940), (45, 1530612), (51, 1350540), (54, 1275510), (60, 1147959), (61, 1129140), (68, 1012905), (81, 850340), (82, 839970), (85, 810324), (90, 765306), (102, 675270), (108, 637755), (122, 564570), (123, 559980), (135, 510204), (153, 450180), (162, 425170), (164, 419985), (170, 405162), (180, 382653), (183, 376380), (204, 337635), (205, 335988), (244, 282285), (246, 279990), (255, 270108), (270, 255102), (305, 225828), (306, 225090), (324, 212585), (340, 202581), (366, 188190), (369, 186660), (405, 170068), (410, 167994), (459, 150060), (492, 139995), (510, 135054), (540, 127551), (549, 125460), (610, 112914), (612, 112545), (615, 111996), (697, 98820), (732, 94095), (738, 93330), (765, 90036), (810, 85034), (820, 83997), (915, 75276), (918, 75030), (1020, 67527), (1037, 66420), (1098, 62730), (1107, 62220), (1220, 56457), (1230, 55998), (1377, 50020), (1394, 49410), (1476, 46665), (1530, 45018), (1620, 42517), (1647, 41820), (1830, 37638), (1836, 37515), (1845, 37332), (2074, 33210), (2091, 32940), (2196, 31365), (2214, 31110), (2295, 30012), (2460, 27999), (2501, 27540), (2745, 25092), (2754, 25010), (2788, 24705), (3060, 22509), (3111, 22140), (3294, 20910), (3321, 20740), (3485, 19764), (3660, 18819), (3690, 18666), (4148, 16605), (4182, 16470), (4428, 15555), (4590, 15006), (4941, 13940), (5002, 13770), (5185, 13284), (5490, 12546), (5508, 12505), (5535, 12444), (6222, 11070), (6273, 10980), (6588, 10455), (6642, 10370), (6885, 10004), (6970, 9882), (7380, 9333), (7503, 9180), (8235, 8364)]