388694880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{38561}}^1$

素因数の和:38589

約数の個数: 144

約数和(自身を含む): 1515949344

約数和(自身を除く): 1127254464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 38561, 77122, 115683, 154244, 192805, 231366, 269927, 308488, 347049, 385610, 462732, 539854, 578415, 616976, 694098, 771220, 809781, 925464, 1079708, 1156830, 1233952, 1349635, 1388196, 1542440, 1619562, 1735245, 1850928, 2159416, 2313660, 2429343, 2699270, 2776392, 3084880, 3239124, 3470490, 3701856, 4048905, 4318832, 4627320, 4858686, 5398540, 5552784, 6169760, 6478248, 6940980, 8097810, 8637664, 9254640, 9717372, 10797080, 11105568, 12146715, 12956496, 13881960, 16195620, 18509280, 19434744, 21594160, 24293430, 25912992, 27763920, 32391240, 38869488, 43188320, 48586860, 55527840, 64782480, 77738976, 97173720, 129564960, 194347440, 388694880]

約数ペア:

[(1, 388694880), (2, 194347440), (3, 129564960), (4, 97173720), (5, 77738976), (6, 64782480), (7, 55527840), (8, 48586860), (9, 43188320), (10, 38869488), (12, 32391240), (14, 27763920), (15, 25912992), (16, 24293430), (18, 21594160), (20, 19434744), (21, 18509280), (24, 16195620), (28, 13881960), (30, 12956496), (32, 12146715), (35, 11105568), (36, 10797080), (40, 9717372), (42, 9254640), (45, 8637664), (48, 8097810), (56, 6940980), (60, 6478248), (63, 6169760), (70, 5552784), (72, 5398540), (80, 4858686), (84, 4627320), (90, 4318832), (96, 4048905), (105, 3701856), (112, 3470490), (120, 3239124), (126, 3084880), (140, 2776392), (144, 2699270), (160, 2429343), (168, 2313660), (180, 2159416), (210, 1850928), (224, 1735245), (240, 1619562), (252, 1542440), (280, 1388196), (288, 1349635), (315, 1233952), (336, 1156830), (360, 1079708), (420, 925464), (480, 809781), (504, 771220), (560, 694098), (630, 616976), (672, 578415), (720, 539854), (840, 462732), (1008, 385610), (1120, 347049), (1260, 308488), (1440, 269927), (1680, 231366), (2016, 192805), (2520, 154244), (3360, 115683), (5040, 77122), (10080, 38561)]