390399840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{751}}^1$

素因数の和:810

約数の個数: 216

約数和(自身を含む): 1407919968

約数和(自身を除く): 1017520128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 361, 380, 456, 480, 570, 608, 684, 720, 722, 751, 760, 855, 912, 1083, 1140, 1368, 1440, 1444, 1502, 1520, 1710, 1805, 1824, 2166, 2253, 2280, 2736, 2888, 3004, 3040, 3249, 3420, 3610, 3755, 4332, 4506, 4560, 5415, 5472, 5776, 6008, 6498, 6759, 6840, 7220, 7510, 8664, 9012, 9120, 10830, 11265, 11552, 12016, 12996, 13518, 13680, 14269, 14440, 15020, 16245, 17328, 18024, 21660, 22530, 24032, 25992, 27036, 27360, 28538, 28880, 30040, 32490, 33795, 34656, 36048, 42807, 43320, 45060, 51984, 54072, 57076, 57760, 60080, 64980, 67590, 71345, 72096, 85614, 86640, 90120, 103968, 108144, 114152, 120160, 128421, 129960, 135180, 142690, 171228, 173280, 180240, 214035, 216288, 228304, 256842, 259920, 270360, 271111, 285380, 342456, 360480, 428070, 456608, 513684, 519840, 540720, 542222, 570760, 642105, 684912, 813333, 856140, 1027368, 1081440, 1084444, 1141520, 1284210, 1355555, 1369824, 1626666, 1712280, 2054736, 2168888, 2283040, 2439999, 2568420, 2711110, 3253332, 3424560, 4066665, 4109472, 4337776, 4879998, 5136840, 5422220, 6506664, 6849120, 8133330, 8675552, 9759996, 10273680, 10844440, 12199995, 13013328, 16266660, 19519992, 20547360, 21688880, 24399990, 26026656, 32533320, 39039984, 43377760, 48799980, 65066640, 78079968, 97599960, 130133280, 195199920, 390399840]

約数ペア:

[(1, 390399840), (2, 195199920), (3, 130133280), (4, 97599960), (5, 78079968), (6, 65066640), (8, 48799980), (9, 43377760), (10, 39039984), (12, 32533320), (15, 26026656), (16, 24399990), (18, 21688880), (19, 20547360), (20, 19519992), (24, 16266660), (30, 13013328), (32, 12199995), (36, 10844440), (38, 10273680), (40, 9759996), (45, 8675552), (48, 8133330), (57, 6849120), (60, 6506664), (72, 5422220), (76, 5136840), (80, 4879998), (90, 4337776), (95, 4109472), (96, 4066665), (114, 3424560), (120, 3253332), (144, 2711110), (152, 2568420), (160, 2439999), (171, 2283040), (180, 2168888), (190, 2054736), (228, 1712280), (240, 1626666), (285, 1369824), (288, 1355555), (304, 1284210), (342, 1141520), (360, 1084444), (361, 1081440), (380, 1027368), (456, 856140), (480, 813333), (570, 684912), (608, 642105), (684, 570760), (720, 542222), (722, 540720), (751, 519840), (760, 513684), (855, 456608), (912, 428070), (1083, 360480), (1140, 342456), (1368, 285380), (1440, 271111), (1444, 270360), (1502, 259920), (1520, 256842), (1710, 228304), (1805, 216288), (1824, 214035), (2166, 180240), (2253, 173280), (2280, 171228), (2736, 142690), (2888, 135180), (3004, 129960), (3040, 128421), (3249, 120160), (3420, 114152), (3610, 108144), (3755, 103968), (4332, 90120), (4506, 86640), (4560, 85614), (5415, 72096), (5472, 71345), (5776, 67590), (6008, 64980), (6498, 60080), (6759, 57760), (6840, 57076), (7220, 54072), (7510, 51984), (8664, 45060), (9012, 43320), (9120, 42807), (10830, 36048), (11265, 34656), (11552, 33795), (12016, 32490), (12996, 30040), (13518, 28880), (13680, 28538), (14269, 27360), (14440, 27036), (15020, 25992), (16245, 24032), (17328, 22530), (18024, 21660)]