309821940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1118

約数の個数: 144

約数和(自身を含む): 1005758208

約数和(自身を除く): 695936268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 103, 153, 170, 180, 204, 206, 255, 306, 309, 340, 412, 510, 515, 612, 618, 765, 927, 983, 1020, 1030, 1236, 1530, 1545, 1751, 1854, 1966, 2060, 2949, 3060, 3090, 3502, 3708, 3932, 4635, 4915, 5253, 5898, 6180, 7004, 8755, 8847, 9270, 9830, 10506, 11796, 14745, 15759, 16711, 17510, 17694, 18540, 19660, 21012, 26265, 29490, 31518, 33422, 35020, 35388, 44235, 50133, 52530, 58980, 63036, 66844, 78795, 83555, 88470, 100266, 101249, 105060, 150399, 157590, 167110, 176940, 200532, 202498, 250665, 300798, 303747, 315180, 334220, 404996, 501330, 506245, 601596, 607494, 751995, 911241, 1002660, 1012490, 1214988, 1503990, 1518735, 1721233, 1822482, 2024980, 3007980, 3037470, 3442466, 3644964, 4556205, 5163699, 6074940, 6884932, 8606165, 9112410, 10327398, 15491097, 17212330, 18224820, 20654796, 25818495, 30982194, 34424660, 51636990, 61964388, 77455485, 103273980, 154910970, 309821940]

約数ペア:

[(1, 309821940), (2, 154910970), (3, 103273980), (4, 77455485), (5, 61964388), (6, 51636990), (9, 34424660), (10, 30982194), (12, 25818495), (15, 20654796), (17, 18224820), (18, 17212330), (20, 15491097), (30, 10327398), (34, 9112410), (36, 8606165), (45, 6884932), (51, 6074940), (60, 5163699), (68, 4556205), (85, 3644964), (90, 3442466), (102, 3037470), (103, 3007980), (153, 2024980), (170, 1822482), (180, 1721233), (204, 1518735), (206, 1503990), (255, 1214988), (306, 1012490), (309, 1002660), (340, 911241), (412, 751995), (510, 607494), (515, 601596), (612, 506245), (618, 501330), (765, 404996), (927, 334220), (983, 315180), (1020, 303747), (1030, 300798), (1236, 250665), (1530, 202498), (1545, 200532), (1751, 176940), (1854, 167110), (1966, 157590), (2060, 150399), (2949, 105060), (3060, 101249), (3090, 100266), (3502, 88470), (3708, 83555), (3932, 78795), (4635, 66844), (4915, 63036), (5253, 58980), (5898, 52530), (6180, 50133), (7004, 44235), (8755, 35388), (8847, 35020), (9270, 33422), (9830, 31518), (10506, 29490), (11796, 26265), (14745, 21012), (15759, 19660), (16711, 18540), (17510, 17694)]