12995820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 43400448

約数和(自身を除く): 30404628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 137, 153, 155, 170, 180, 186, 204, 255, 274, 279, 306, 310, 340, 372, 411, 465, 510, 527, 548, 558, 612, 620, 685, 765, 822, 930, 1020, 1054, 1116, 1233, 1370, 1395, 1530, 1581, 1644, 1860, 2055, 2108, 2329, 2466, 2635, 2740, 2790, 3060, 3162, 4110, 4247, 4658, 4743, 4932, 5270, 5580, 6165, 6324, 6987, 7905, 8220, 8494, 9316, 9486, 10540, 11645, 12330, 12741, 13974, 15810, 16988, 18972, 20961, 21235, 23290, 23715, 24660, 25482, 27948, 31620, 34935, 38223, 41922, 42470, 46580, 47430, 50964, 63705, 69870, 72199, 76446, 83844, 84940, 94860, 104805, 127410, 139740, 144398, 152892, 191115, 209610, 216597, 254820, 288796, 360995, 382230, 419220, 433194, 649791, 721990, 764460, 866388, 1082985, 1299582, 1443980, 2165970, 2599164, 3248955, 4331940, 6497910, 12995820]

約数ペア:

[(1, 12995820), (2, 6497910), (3, 4331940), (4, 3248955), (5, 2599164), (6, 2165970), (9, 1443980), (10, 1299582), (12, 1082985), (15, 866388), (17, 764460), (18, 721990), (20, 649791), (30, 433194), (31, 419220), (34, 382230), (36, 360995), (45, 288796), (51, 254820), (60, 216597), (62, 209610), (68, 191115), (85, 152892), (90, 144398), (93, 139740), (102, 127410), (124, 104805), (137, 94860), (153, 84940), (155, 83844), (170, 76446), (180, 72199), (186, 69870), (204, 63705), (255, 50964), (274, 47430), (279, 46580), (306, 42470), (310, 41922), (340, 38223), (372, 34935), (411, 31620), (465, 27948), (510, 25482), (527, 24660), (548, 23715), (558, 23290), (612, 21235), (620, 20961), (685, 18972), (765, 16988), (822, 15810), (930, 13974), (1020, 12741), (1054, 12330), (1116, 11645), (1233, 10540), (1370, 9486), (1395, 9316), (1530, 8494), (1581, 8220), (1644, 7905), (1860, 6987), (2055, 6324), (2108, 6165), (2329, 5580), (2466, 5270), (2635, 4932), (2740, 4743), (2790, 4658), (3060, 4247), (3162, 4110)]