208364580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 675183600

約数和(自身を除く): 466819020

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, 149, 153, 170, 180, 204, 255, 298, 306, 340, 447, 457, 510, 596, 612, 745, 765, 894, 914, 1020, 1341, 1371, 1490, 1530, 1788, 1828, 2235, 2285, 2533, 2682, 2742, 2980, 3060, 4113, 4470, 4570, 5066, 5364, 5484, 6705, 6855, 7599, 7769, 8226, 8940, 9140, 10132, 12665, 13410, 13710, 15198, 15538, 16452, 20565, 22797, 23307, 25330, 26820, 27420, 30396, 31076, 37995, 38845, 41130, 45594, 46614, 50660, 68093, 69921, 75990, 77690, 82260, 91188, 93228, 113985, 116535, 136186, 139842, 151980, 155380, 204279, 227970, 233070, 272372, 279684, 340465, 349605, 408558, 455940, 466140, 612837, 680930, 699210, 817116, 1021395, 1157581, 1225674, 1361860, 1398420, 2042790, 2315162, 2451348, 3064185, 3472743, 4085580, 4630324, 5787905, 6128370, 6945486, 10418229, 11575810, 12256740, 13890972, 17363715, 20836458, 23151620, 34727430, 41672916, 52091145, 69454860, 104182290, 208364580]

約数ペア:

[(1, 208364580), (2, 104182290), (3, 69454860), (4, 52091145), (5, 41672916), (6, 34727430), (9, 23151620), (10, 20836458), (12, 17363715), (15, 13890972), (17, 12256740), (18, 11575810), (20, 10418229), (30, 6945486), (34, 6128370), (36, 5787905), (45, 4630324), (51, 4085580), (60, 3472743), (68, 3064185), (85, 2451348), (90, 2315162), (102, 2042790), (149, 1398420), (153, 1361860), (170, 1225674), (180, 1157581), (204, 1021395), (255, 817116), (298, 699210), (306, 680930), (340, 612837), (447, 466140), (457, 455940), (510, 408558), (596, 349605), (612, 340465), (745, 279684), (765, 272372), (894, 233070), (914, 227970), (1020, 204279), (1341, 155380), (1371, 151980), (1490, 139842), (1530, 136186), (1788, 116535), (1828, 113985), (2235, 93228), (2285, 91188), (2533, 82260), (2682, 77690), (2742, 75990), (2980, 69921), (3060, 68093), (4113, 50660), (4470, 46614), (4570, 45594), (5066, 41130), (5364, 38845), (5484, 37995), (6705, 31076), (6855, 30396), (7599, 27420), (7769, 26820), (8226, 25330), (8940, 23307), (9140, 22797), (10132, 20565), (12665, 16452), (13410, 15538), (13710, 15198)]