258187440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:827

約数の個数: 160

約数和(自身を含む): 919512576

約数和(自身を除く): 661325136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 313, 336, 420, 491, 560, 626, 840, 939, 982, 1252, 1473, 1565, 1680, 1878, 1964, 2191, 2455, 2504, 2946, 3130, 3437, 3756, 3928, 4382, 4695, 4910, 5008, 5892, 6260, 6573, 6874, 7365, 7512, 7856, 8764, 9390, 9820, 10311, 10955, 11784, 12520, 13146, 13748, 14730, 15024, 17185, 17528, 18780, 19640, 20622, 21910, 23568, 25040, 26292, 27496, 29460, 32865, 34370, 35056, 37560, 39280, 41244, 43820, 51555, 52584, 54992, 58920, 65730, 68740, 75120, 82488, 87640, 103110, 105168, 117840, 131460, 137480, 153683, 164976, 175280, 206220, 262920, 274960, 307366, 412440, 461049, 525840, 614732, 768415, 824880, 922098, 1075781, 1229464, 1536830, 1844196, 2151562, 2305245, 2458928, 3073660, 3227343, 3688392, 4303124, 4610490, 5378905, 6147320, 6454686, 7376784, 8606248, 9220980, 10757810, 12294640, 12909372, 16136715, 17212496, 18441960, 21515620, 25818744, 32273430, 36883920, 43031240, 51637488, 64546860, 86062480, 129093720, 258187440]

約数ペア:

[(1, 258187440), (2, 129093720), (3, 86062480), (4, 64546860), (5, 51637488), (6, 43031240), (7, 36883920), (8, 32273430), (10, 25818744), (12, 21515620), (14, 18441960), (15, 17212496), (16, 16136715), (20, 12909372), (21, 12294640), (24, 10757810), (28, 9220980), (30, 8606248), (35, 7376784), (40, 6454686), (42, 6147320), (48, 5378905), (56, 4610490), (60, 4303124), (70, 3688392), (80, 3227343), (84, 3073660), (105, 2458928), (112, 2305245), (120, 2151562), (140, 1844196), (168, 1536830), (210, 1229464), (240, 1075781), (280, 922098), (313, 824880), (336, 768415), (420, 614732), (491, 525840), (560, 461049), (626, 412440), (840, 307366), (939, 274960), (982, 262920), (1252, 206220), (1473, 175280), (1565, 164976), (1680, 153683), (1878, 137480), (1964, 131460), (2191, 117840), (2455, 105168), (2504, 103110), (2946, 87640), (3130, 82488), (3437, 75120), (3756, 68740), (3928, 65730), (4382, 58920), (4695, 54992), (4910, 52584), (5008, 51555), (5892, 43820), (6260, 41244), (6573, 39280), (6874, 37560), (7365, 35056), (7512, 34370), (7856, 32865), (8764, 29460), (9390, 27496), (9820, 26292), (10311, 25040), (10955, 23568), (11784, 21910), (12520, 20622), (13146, 19640), (13748, 18780), (14730, 17528), (15024, 17185)]