7720020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 29248128

約数和(自身を除く): 21528108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 557, 630, 660, 693, 770, 924, 990, 1114, 1155, 1260, 1386, 1540, 1671, 1980, 2228, 2310, 2772, 2785, 3342, 3465, 3899, 4620, 5013, 5570, 6127, 6684, 6930, 7798, 8355, 10026, 11140, 11697, 12254, 13860, 15596, 16710, 18381, 19495, 20052, 23394, 24508, 25065, 30635, 33420, 35091, 36762, 38990, 42889, 46788, 50130, 55143, 58485, 61270, 70182, 73524, 77980, 85778, 91905, 100260, 110286, 116970, 122540, 128667, 140364, 171556, 175455, 183810, 214445, 220572, 233940, 257334, 275715, 350910, 367620, 386001, 428890, 514668, 551430, 643335, 701820, 772002, 857780, 1102860, 1286670, 1544004, 1930005, 2573340, 3860010, 7720020]

約数ペア:

[(1, 7720020), (2, 3860010), (3, 2573340), (4, 1930005), (5, 1544004), (6, 1286670), (7, 1102860), (9, 857780), (10, 772002), (11, 701820), (12, 643335), (14, 551430), (15, 514668), (18, 428890), (20, 386001), (21, 367620), (22, 350910), (28, 275715), (30, 257334), (33, 233940), (35, 220572), (36, 214445), (42, 183810), (44, 175455), (45, 171556), (55, 140364), (60, 128667), (63, 122540), (66, 116970), (70, 110286), (77, 100260), (84, 91905), (90, 85778), (99, 77980), (105, 73524), (110, 70182), (126, 61270), (132, 58485), (140, 55143), (154, 50130), (165, 46788), (180, 42889), (198, 38990), (210, 36762), (220, 35091), (231, 33420), (252, 30635), (308, 25065), (315, 24508), (330, 23394), (385, 20052), (396, 19495), (420, 18381), (462, 16710), (495, 15596), (557, 13860), (630, 12254), (660, 11697), (693, 11140), (770, 10026), (924, 8355), (990, 7798), (1114, 6930), (1155, 6684), (1260, 6127), (1386, 5570), (1540, 5013), (1671, 4620), (1980, 3899), (2228, 3465), (2310, 3342), (2772, 2785)]