1221540840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261013}}^1$

素因数の和:261043

約数の個数: 96

約数和(自身を含む): 4275409320

約数和(自身を除く): 3053868480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 261013, 522026, 783039, 1044052, 1305065, 1566078, 2088104, 2349117, 2610130, 3132156, 3393169, 3915195, 4698234, 5220260, 6264312, 6786338, 7830390, 9396468, 10179507, 10440520, 11745585, 13572676, 15660780, 16965845, 18792936, 20359014, 23491170, 27145352, 30538521, 31321560, 33931690, 40718028, 46982340, 50897535, 61077042, 67863380, 81436056, 93964680, 101795070, 122154084, 135726760, 152692605, 203590140, 244308168, 305385210, 407180280, 610770420, 1221540840]

約数ペア:

[(1, 1221540840), (2, 610770420), (3, 407180280), (4, 305385210), (5, 244308168), (6, 203590140), (8, 152692605), (9, 135726760), (10, 122154084), (12, 101795070), (13, 93964680), (15, 81436056), (18, 67863380), (20, 61077042), (24, 50897535), (26, 46982340), (30, 40718028), (36, 33931690), (39, 31321560), (40, 30538521), (45, 27145352), (52, 23491170), (60, 20359014), (65, 18792936), (72, 16965845), (78, 15660780), (90, 13572676), (104, 11745585), (117, 10440520), (120, 10179507), (130, 9396468), (156, 7830390), (180, 6786338), (195, 6264312), (234, 5220260), (260, 4698234), (312, 3915195), (360, 3393169), (390, 3132156), (468, 2610130), (520, 2349117), (585, 2088104), (780, 1566078), (936, 1305065), (1170, 1044052), (1560, 783039), (2340, 522026), (4680, 261013)]