219025560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140401}}^1$

素因数の和:140428

約数の個数: 64

約数和(自身を含む): 707626080

約数和(自身を除く): 488600520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 140401, 280802, 421203, 561604, 702005, 842406, 1123208, 1404010, 1684812, 1825213, 2106015, 2808020, 3369624, 3650426, 4212030, 5475639, 5616040, 7300852, 8424060, 9126065, 10951278, 14601704, 16848120, 18252130, 21902556, 27378195, 36504260, 43805112, 54756390, 73008520, 109512780, 219025560]

約数ペア:

[(1, 219025560), (2, 109512780), (3, 73008520), (4, 54756390), (5, 43805112), (6, 36504260), (8, 27378195), (10, 21902556), (12, 18252130), (13, 16848120), (15, 14601704), (20, 10951278), (24, 9126065), (26, 8424060), (30, 7300852), (39, 5616040), (40, 5475639), (52, 4212030), (60, 3650426), (65, 3369624), (78, 2808020), (104, 2106015), (120, 1825213), (130, 1684812), (156, 1404010), (195, 1123208), (260, 842406), (312, 702005), (390, 561604), (520, 421203), (780, 280802), (1560, 140401)]