1679940

素因数分解:

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

素因数の和:99

約数の個数: 120

約数和(自身を含む): 5671512

約数和(自身を除く): 3991572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 61, 68, 81, 85, 90, 102, 108, 122, 135, 153, 162, 170, 180, 183, 204, 244, 255, 270, 305, 306, 324, 340, 366, 405, 459, 510, 540, 549, 610, 612, 732, 765, 810, 915, 918, 1020, 1037, 1098, 1220, 1377, 1530, 1620, 1647, 1830, 1836, 2074, 2196, 2295, 2745, 2754, 3060, 3111, 3294, 3660, 4148, 4590, 4941, 5185, 5490, 5508, 6222, 6588, 6885, 8235, 9180, 9333, 9882, 10370, 10980, 12444, 13770, 15555, 16470, 18666, 19764, 20740, 24705, 27540, 27999, 31110, 32940, 37332, 46665, 49410, 55998, 62220, 83997, 93330, 98820, 111996, 139995, 167994, 186660, 279990, 335988, 419985, 559980, 839970, 1679940]

約数ペア:

[(1, 1679940), (2, 839970), (3, 559980), (4, 419985), (5, 335988), (6, 279990), (9, 186660), (10, 167994), (12, 139995), (15, 111996), (17, 98820), (18, 93330), (20, 83997), (27, 62220), (30, 55998), (34, 49410), (36, 46665), (45, 37332), (51, 32940), (54, 31110), (60, 27999), (61, 27540), (68, 24705), (81, 20740), (85, 19764), (90, 18666), (102, 16470), (108, 15555), (122, 13770), (135, 12444), (153, 10980), (162, 10370), (170, 9882), (180, 9333), (183, 9180), (204, 8235), (244, 6885), (255, 6588), (270, 6222), (305, 5508), (306, 5490), (324, 5185), (340, 4941), (366, 4590), (405, 4148), (459, 3660), (510, 3294), (540, 3111), (549, 3060), (610, 2754), (612, 2745), (732, 2295), (765, 2196), (810, 2074), (915, 1836), (918, 1830), (1020, 1647), (1037, 1620), (1098, 1530), (1220, 1377)]