247270240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 192

約数和(自身を含む): 722856960

約数和(自身を除く): 475586720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 56, 58, 70, 80, 92, 112, 115, 116, 140, 145, 160, 161, 184, 203, 224, 230, 232, 280, 290, 322, 331, 368, 406, 460, 464, 560, 580, 644, 662, 667, 736, 805, 812, 920, 928, 1015, 1120, 1160, 1288, 1324, 1334, 1610, 1624, 1655, 1840, 2030, 2317, 2320, 2576, 2648, 2668, 3220, 3248, 3310, 3335, 3680, 4060, 4634, 4640, 4669, 5152, 5296, 5336, 6440, 6496, 6620, 6670, 7613, 8120, 9268, 9338, 9599, 10592, 10672, 11585, 12880, 13240, 13340, 15226, 16240, 18536, 18676, 19198, 21344, 23170, 23345, 25760, 26480, 26680, 30452, 32480, 37072, 37352, 38065, 38396, 46340, 46690, 47995, 52960, 53291, 53360, 60904, 67193, 74144, 74704, 76130, 76792, 92680, 93380, 95990, 106582, 106720, 121808, 134386, 149408, 152260, 153584, 185360, 186760, 191980, 213164, 220777, 243616, 266455, 268772, 304520, 307168, 335965, 370720, 373520, 383960, 426328, 441554, 532910, 537544, 609040, 671930, 747040, 767920, 852656, 883108, 1065820, 1075088, 1103885, 1218080, 1343860, 1535840, 1545439, 1705312, 1766216, 2131640, 2150176, 2207770, 2687720, 3090878, 3532432, 4263280, 4415540, 5375440, 6181756, 7064864, 7727195, 8526560, 8831080, 10750880, 12363512, 15454390, 17662160, 24727024, 30908780, 35324320, 49454048, 61817560, 123635120, 247270240]

約数ペア:

[(1, 247270240), (2, 123635120), (4, 61817560), (5, 49454048), (7, 35324320), (8, 30908780), (10, 24727024), (14, 17662160), (16, 15454390), (20, 12363512), (23, 10750880), (28, 8831080), (29, 8526560), (32, 7727195), (35, 7064864), (40, 6181756), (46, 5375440), (56, 4415540), (58, 4263280), (70, 3532432), (80, 3090878), (92, 2687720), (112, 2207770), (115, 2150176), (116, 2131640), (140, 1766216), (145, 1705312), (160, 1545439), (161, 1535840), (184, 1343860), (203, 1218080), (224, 1103885), (230, 1075088), (232, 1065820), (280, 883108), (290, 852656), (322, 767920), (331, 747040), (368, 671930), (406, 609040), (460, 537544), (464, 532910), (560, 441554), (580, 426328), (644, 383960), (662, 373520), (667, 370720), (736, 335965), (805, 307168), (812, 304520), (920, 268772), (928, 266455), (1015, 243616), (1120, 220777), (1160, 213164), (1288, 191980), (1324, 186760), (1334, 185360), (1610, 153584), (1624, 152260), (1655, 149408), (1840, 134386), (2030, 121808), (2317, 106720), (2320, 106582), (2576, 95990), (2648, 93380), (2668, 92680), (3220, 76792), (3248, 76130), (3310, 74704), (3335, 74144), (3680, 67193), (4060, 60904), (4634, 53360), (4640, 53291), (4669, 52960), (5152, 47995), (5296, 46690), (5336, 46340), (6440, 38396), (6496, 38065), (6620, 37352), (6670, 37072), (7613, 32480), (8120, 30452), (9268, 26680), (9338, 26480), (9599, 25760), (10592, 23345), (10672, 23170), (11585, 21344), (12880, 19198), (13240, 18676), (13340, 18536), (15226, 16240)]