154751940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{122819}}^1$

素因数の和:122841

約数の個数: 72

約数和(自身を含む): 536477760

約数和(自身を除く): 381725820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 122819, 245638, 368457, 491276, 614095, 736914, 859733, 1105371, 1228190, 1473828, 1719466, 1842285, 2210742, 2456380, 2579199, 3438932, 3684570, 4298665, 4421484, 5158398, 5526855, 7369140, 7737597, 8597330, 10316796, 11053710, 12895995, 15475194, 17194660, 22107420, 25791990, 30950388, 38687985, 51583980, 77375970, 154751940]

約数ペア:

[(1, 154751940), (2, 77375970), (3, 51583980), (4, 38687985), (5, 30950388), (6, 25791990), (7, 22107420), (9, 17194660), (10, 15475194), (12, 12895995), (14, 11053710), (15, 10316796), (18, 8597330), (20, 7737597), (21, 7369140), (28, 5526855), (30, 5158398), (35, 4421484), (36, 4298665), (42, 3684570), (45, 3438932), (60, 2579199), (63, 2456380), (70, 2210742), (84, 1842285), (90, 1719466), (105, 1473828), (126, 1228190), (140, 1105371), (180, 859733), (210, 736914), (252, 614095), (315, 491276), (420, 368457), (630, 245638), (1260, 122819)]