206965980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{367}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 680744064

約数和(自身を除く): 473778084

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, 180, 195, 234, 241, 260, 367, 390, 468, 482, 585, 723, 734, 780, 964, 1101, 1170, 1205, 1446, 1468, 1835, 2169, 2202, 2340, 2410, 2892, 3133, 3303, 3615, 3670, 4338, 4404, 4771, 4820, 5505, 6266, 6606, 7230, 7340, 8676, 9399, 9542, 10845, 11010, 12532, 13212, 14313, 14460, 15665, 16515, 18798, 19084, 21690, 22020, 23855, 28197, 28626, 31330, 33030, 37596, 42939, 43380, 46995, 47710, 56394, 57252, 62660, 66060, 71565, 85878, 88447, 93990, 95420, 112788, 140985, 143130, 171756, 176894, 187980, 214695, 265341, 281970, 286260, 353788, 429390, 442235, 530682, 563940, 796023, 858780, 884470, 1061364, 1149811, 1326705, 1592046, 1768940, 2299622, 2653410, 3184092, 3449433, 3980115, 4599244, 5306820, 5749055, 6898866, 7960230, 10348299, 11498110, 13797732, 15920460, 17247165, 20696598, 22996220, 34494330, 41393196, 51741495, 68988660, 103482990, 206965980]

約数ペア:

[(1, 206965980), (2, 103482990), (3, 68988660), (4, 51741495), (5, 41393196), (6, 34494330), (9, 22996220), (10, 20696598), (12, 17247165), (13, 15920460), (15, 13797732), (18, 11498110), (20, 10348299), (26, 7960230), (30, 6898866), (36, 5749055), (39, 5306820), (45, 4599244), (52, 3980115), (60, 3449433), (65, 3184092), (78, 2653410), (90, 2299622), (117, 1768940), (130, 1592046), (156, 1326705), (180, 1149811), (195, 1061364), (234, 884470), (241, 858780), (260, 796023), (367, 563940), (390, 530682), (468, 442235), (482, 429390), (585, 353788), (723, 286260), (734, 281970), (780, 265341), (964, 214695), (1101, 187980), (1170, 176894), (1205, 171756), (1446, 143130), (1468, 140985), (1835, 112788), (2169, 95420), (2202, 93990), (2340, 88447), (2410, 85878), (2892, 71565), (3133, 66060), (3303, 62660), (3615, 57252), (3670, 56394), (4338, 47710), (4404, 46995), (4771, 43380), (4820, 42939), (5505, 37596), (6266, 33030), (6606, 31330), (7230, 28626), (7340, 28197), (8676, 23855), (9399, 22020), (9542, 21690), (10845, 19084), (11010, 18798), (12532, 16515), (13212, 15665), (14313, 14460)]