219601980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7219}}^1$

素因数の和:7260

約数の個数: 108

約数和(自身を含む): 721407960

約数和(自身を除く): 501805980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7219, 7605, 10140, 14438, 15210, 21657, 28876, 30420, 36095, 43314, 64971, 72190, 86628, 93847, 108285, 129942, 144380, 187694, 216570, 259884, 281541, 324855, 375388, 433140, 469235, 563082, 649710, 844623, 938470, 1126164, 1220011, 1299420, 1407705, 1689246, 1876940, 2440022, 2815410, 3378492, 3660033, 4223115, 4880044, 5630820, 6100055, 7320066, 8446230, 10980099, 12200110, 14640132, 16892460, 18300165, 21960198, 24400220, 36600330, 43920396, 54900495, 73200660, 109800990, 219601980]

約数ペア:

[(1, 219601980), (2, 109800990), (3, 73200660), (4, 54900495), (5, 43920396), (6, 36600330), (9, 24400220), (10, 21960198), (12, 18300165), (13, 16892460), (15, 14640132), (18, 12200110), (20, 10980099), (26, 8446230), (30, 7320066), (36, 6100055), (39, 5630820), (45, 4880044), (52, 4223115), (60, 3660033), (65, 3378492), (78, 2815410), (90, 2440022), (117, 1876940), (130, 1689246), (156, 1407705), (169, 1299420), (180, 1220011), (195, 1126164), (234, 938470), (260, 844623), (338, 649710), (390, 563082), (468, 469235), (507, 433140), (585, 375388), (676, 324855), (780, 281541), (845, 259884), (1014, 216570), (1170, 187694), (1521, 144380), (1690, 129942), (2028, 108285), (2340, 93847), (2535, 86628), (3042, 72190), (3380, 64971), (5070, 43314), (6084, 36095), (7219, 30420), (7605, 28876), (10140, 21657), (14438, 15210)]