123398340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{563}}^1$

素因数の和:869

約数の個数: 96

約数和(自身を含む): 374080896

約数和(自身を除く): 250682556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 281, 390, 562, 563, 780, 843, 1124, 1126, 1405, 1686, 1689, 2252, 2810, 2815, 3372, 3378, 3653, 4215, 5620, 5630, 6756, 7306, 7319, 8430, 8445, 10959, 11260, 14612, 14638, 16860, 16890, 18265, 21918, 21957, 29276, 33780, 36530, 36595, 43836, 43914, 54795, 73060, 73190, 87828, 109590, 109785, 146380, 158203, 219180, 219570, 316406, 439140, 474609, 632812, 791015, 949218, 1582030, 1898436, 2056639, 2373045, 3164060, 4113278, 4746090, 6169917, 8226556, 9492180, 10283195, 12339834, 20566390, 24679668, 30849585, 41132780, 61699170, 123398340]

約数ペア:

[(1, 123398340), (2, 61699170), (3, 41132780), (4, 30849585), (5, 24679668), (6, 20566390), (10, 12339834), (12, 10283195), (13, 9492180), (15, 8226556), (20, 6169917), (26, 4746090), (30, 4113278), (39, 3164060), (52, 2373045), (60, 2056639), (65, 1898436), (78, 1582030), (130, 949218), (156, 791015), (195, 632812), (260, 474609), (281, 439140), (390, 316406), (562, 219570), (563, 219180), (780, 158203), (843, 146380), (1124, 109785), (1126, 109590), (1405, 87828), (1686, 73190), (1689, 73060), (2252, 54795), (2810, 43914), (2815, 43836), (3372, 36595), (3378, 36530), (3653, 33780), (4215, 29276), (5620, 21957), (5630, 21918), (6756, 18265), (7306, 16890), (7319, 16860), (8430, 14638), (8445, 14612), (10959, 11260)]