289951920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:820

約数の個数: 160

約数和(自身を含む): 1004667840

約数和(自身を除く): 714715920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 241, 270, 360, 432, 482, 540, 557, 720, 723, 964, 1080, 1114, 1205, 1446, 1671, 1928, 2160, 2169, 2228, 2410, 2785, 2892, 3342, 3615, 3856, 4338, 4456, 4820, 5013, 5570, 5784, 6507, 6684, 7230, 8355, 8676, 8912, 9640, 10026, 10845, 11140, 11568, 13014, 13368, 14460, 15039, 16710, 17352, 19280, 20052, 21690, 22280, 25065, 26028, 26736, 28920, 30078, 32535, 33420, 34704, 40104, 43380, 44560, 50130, 52056, 57840, 60156, 65070, 66840, 75195, 80208, 86760, 100260, 104112, 120312, 130140, 133680, 134237, 150390, 173520, 200520, 240624, 260280, 268474, 300780, 401040, 402711, 520560, 536948, 601560, 671185, 805422, 1073896, 1203120, 1208133, 1342370, 1610844, 2013555, 2147792, 2416266, 2684740, 3221688, 3624399, 4027110, 4832532, 5369480, 6040665, 6443376, 7248798, 8054220, 9665064, 10738960, 12081330, 14497596, 16108440, 18121995, 19330128, 24162660, 28995192, 32216880, 36243990, 48325320, 57990384, 72487980, 96650640, 144975960, 289951920]

約数ペア:

[(1, 289951920), (2, 144975960), (3, 96650640), (4, 72487980), (5, 57990384), (6, 48325320), (8, 36243990), (9, 32216880), (10, 28995192), (12, 24162660), (15, 19330128), (16, 18121995), (18, 16108440), (20, 14497596), (24, 12081330), (27, 10738960), (30, 9665064), (36, 8054220), (40, 7248798), (45, 6443376), (48, 6040665), (54, 5369480), (60, 4832532), (72, 4027110), (80, 3624399), (90, 3221688), (108, 2684740), (120, 2416266), (135, 2147792), (144, 2013555), (180, 1610844), (216, 1342370), (240, 1208133), (241, 1203120), (270, 1073896), (360, 805422), (432, 671185), (482, 601560), (540, 536948), (557, 520560), (720, 402711), (723, 401040), (964, 300780), (1080, 268474), (1114, 260280), (1205, 240624), (1446, 200520), (1671, 173520), (1928, 150390), (2160, 134237), (2169, 133680), (2228, 130140), (2410, 120312), (2785, 104112), (2892, 100260), (3342, 86760), (3615, 80208), (3856, 75195), (4338, 66840), (4456, 65070), (4820, 60156), (5013, 57840), (5570, 52056), (5784, 50130), (6507, 44560), (6684, 43380), (7230, 40104), (8355, 34704), (8676, 33420), (8912, 32535), (9640, 30078), (10026, 28920), (10845, 26736), (11140, 26028), (11568, 25065), (13014, 22280), (13368, 21690), (14460, 20052), (15039, 19280), (16710, 17352)]