291211020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1613}}^1$

素因数の和:1704

約数の個数: 144

約数和(自身を含む): 951743520

約数和(自身を除く): 660532500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 340, 354, 510, 531, 590, 612, 708, 765, 885, 1003, 1020, 1062, 1180, 1530, 1613, 1770, 2006, 2124, 2655, 3009, 3060, 3226, 3540, 4012, 4839, 5015, 5310, 6018, 6452, 8065, 9027, 9678, 10030, 10620, 12036, 14517, 15045, 16130, 18054, 19356, 20060, 24195, 27421, 29034, 30090, 32260, 36108, 45135, 48390, 54842, 58068, 60180, 72585, 82263, 90270, 95167, 96780, 109684, 137105, 145170, 164526, 180540, 190334, 246789, 274210, 285501, 290340, 329052, 380668, 411315, 475835, 493578, 548420, 571002, 822630, 856503, 951670, 987156, 1142004, 1233945, 1427505, 1617839, 1645260, 1713006, 1903340, 2467890, 2855010, 3235678, 3426012, 4282515, 4853517, 4935780, 5710020, 6471356, 8089195, 8565030, 9707034, 14560551, 16178390, 17130060, 19414068, 24267585, 29121102, 32356780, 48535170, 58242204, 72802755, 97070340, 145605510, 291211020]

約数ペア:

[(1, 291211020), (2, 145605510), (3, 97070340), (4, 72802755), (5, 58242204), (6, 48535170), (9, 32356780), (10, 29121102), (12, 24267585), (15, 19414068), (17, 17130060), (18, 16178390), (20, 14560551), (30, 9707034), (34, 8565030), (36, 8089195), (45, 6471356), (51, 5710020), (59, 4935780), (60, 4853517), (68, 4282515), (85, 3426012), (90, 3235678), (102, 2855010), (118, 2467890), (153, 1903340), (170, 1713006), (177, 1645260), (180, 1617839), (204, 1427505), (236, 1233945), (255, 1142004), (295, 987156), (306, 951670), (340, 856503), (354, 822630), (510, 571002), (531, 548420), (590, 493578), (612, 475835), (708, 411315), (765, 380668), (885, 329052), (1003, 290340), (1020, 285501), (1062, 274210), (1180, 246789), (1530, 190334), (1613, 180540), (1770, 164526), (2006, 145170), (2124, 137105), (2655, 109684), (3009, 96780), (3060, 95167), (3226, 90270), (3540, 82263), (4012, 72585), (4839, 60180), (5015, 58068), (5310, 54842), (6018, 48390), (6452, 45135), (8065, 36108), (9027, 32260), (9678, 30090), (10030, 29034), (10620, 27421), (12036, 24195), (14517, 20060), (15045, 19356), (16130, 18054)]