138909720

素因数分解:

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

素因数の和:637

約数の個数: 128

約数和(自身を含む): 445176000

約数和(自身を除く): 306266280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 149, 170, 204, 255, 298, 340, 408, 447, 457, 510, 596, 680, 745, 894, 914, 1020, 1192, 1371, 1490, 1788, 1828, 2040, 2235, 2285, 2533, 2742, 2980, 3576, 3656, 4470, 4570, 5066, 5484, 5960, 6855, 7599, 7769, 8940, 9140, 10132, 10968, 12665, 13710, 15198, 15538, 17880, 18280, 20264, 23307, 25330, 27420, 30396, 31076, 37995, 38845, 46614, 50660, 54840, 60792, 62152, 68093, 75990, 77690, 93228, 101320, 116535, 136186, 151980, 155380, 186456, 204279, 233070, 272372, 303960, 310760, 340465, 408558, 466140, 544744, 680930, 817116, 932280, 1021395, 1157581, 1361860, 1634232, 2042790, 2315162, 2723720, 3472743, 4085580, 4630324, 5787905, 6945486, 8171160, 9260648, 11575810, 13890972, 17363715, 23151620, 27781944, 34727430, 46303240, 69454860, 138909720]

約数ペア:

[(1, 138909720), (2, 69454860), (3, 46303240), (4, 34727430), (5, 27781944), (6, 23151620), (8, 17363715), (10, 13890972), (12, 11575810), (15, 9260648), (17, 8171160), (20, 6945486), (24, 5787905), (30, 4630324), (34, 4085580), (40, 3472743), (51, 2723720), (60, 2315162), (68, 2042790), (85, 1634232), (102, 1361860), (120, 1157581), (136, 1021395), (149, 932280), (170, 817116), (204, 680930), (255, 544744), (298, 466140), (340, 408558), (408, 340465), (447, 310760), (457, 303960), (510, 272372), (596, 233070), (680, 204279), (745, 186456), (894, 155380), (914, 151980), (1020, 136186), (1192, 116535), (1371, 101320), (1490, 93228), (1788, 77690), (1828, 75990), (2040, 68093), (2235, 62152), (2285, 60792), (2533, 54840), (2742, 50660), (2980, 46614), (3576, 38845), (3656, 37995), (4470, 31076), (4570, 30396), (5066, 27420), (5484, 25330), (5960, 23307), (6855, 20264), (7599, 18280), (7769, 17880), (8940, 15538), (9140, 15198), (10132, 13710), (10968, 12665)]