254499180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1129}}^1$

素因数の和:1188

約数の個数: 144

約数和(自身を含む): 815932320

約数和(自身を除く): 561433140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 289, 340, 390, 442, 510, 578, 663, 780, 867, 884, 1020, 1105, 1129, 1156, 1326, 1445, 1734, 2210, 2258, 2652, 2890, 3315, 3387, 3468, 3757, 4335, 4420, 4516, 5645, 5780, 6630, 6774, 7514, 8670, 11271, 11290, 13260, 13548, 14677, 15028, 16935, 17340, 18785, 19193, 22542, 22580, 29354, 33870, 37570, 38386, 44031, 45084, 56355, 57579, 58708, 67740, 73385, 75140, 76772, 88062, 95965, 112710, 115158, 146770, 176124, 191930, 220155, 225420, 230316, 249509, 287895, 293540, 326281, 383860, 440310, 499018, 575790, 652562, 748527, 880620, 978843, 998036, 1151580, 1247545, 1305124, 1497054, 1631405, 1957686, 2495090, 2994108, 3262810, 3742635, 3915372, 4241653, 4894215, 4990180, 6525620, 7485270, 8483306, 9788430, 12724959, 14970540, 16966612, 19576860, 21208265, 25449918, 42416530, 50899836, 63624795, 84833060, 127249590, 254499180]

約数ペア:

[(1, 254499180), (2, 127249590), (3, 84833060), (4, 63624795), (5, 50899836), (6, 42416530), (10, 25449918), (12, 21208265), (13, 19576860), (15, 16966612), (17, 14970540), (20, 12724959), (26, 9788430), (30, 8483306), (34, 7485270), (39, 6525620), (51, 4990180), (52, 4894215), (60, 4241653), (65, 3915372), (68, 3742635), (78, 3262810), (85, 2994108), (102, 2495090), (130, 1957686), (156, 1631405), (170, 1497054), (195, 1305124), (204, 1247545), (221, 1151580), (255, 998036), (260, 978843), (289, 880620), (340, 748527), (390, 652562), (442, 575790), (510, 499018), (578, 440310), (663, 383860), (780, 326281), (867, 293540), (884, 287895), (1020, 249509), (1105, 230316), (1129, 225420), (1156, 220155), (1326, 191930), (1445, 176124), (1734, 146770), (2210, 115158), (2258, 112710), (2652, 95965), (2890, 88062), (3315, 76772), (3387, 75140), (3468, 73385), (3757, 67740), (4335, 58708), (4420, 57579), (4516, 56355), (5645, 45084), (5780, 44031), (6630, 38386), (6774, 37570), (7514, 33870), (8670, 29354), (11271, 22580), (11290, 22542), (13260, 19193), (13548, 18785), (14677, 17340), (15028, 16935)]