71287040

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 191612736

約数和(自身を除く): 120325696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 83, 88, 110, 122, 128, 160, 166, 176, 220, 244, 256, 305, 320, 332, 352, 415, 440, 488, 610, 640, 664, 671, 704, 830, 880, 913, 976, 1220, 1280, 1328, 1342, 1408, 1660, 1760, 1826, 1952, 2440, 2656, 2684, 2816, 3320, 3355, 3520, 3652, 3904, 4565, 4880, 5063, 5312, 5368, 6640, 6710, 7040, 7304, 7808, 9130, 9760, 10126, 10624, 10736, 13280, 13420, 14080, 14608, 15616, 18260, 19520, 20252, 21248, 21472, 25315, 26560, 26840, 29216, 36520, 39040, 40504, 42944, 50630, 53120, 53680, 55693, 58432, 73040, 78080, 81008, 85888, 101260, 106240, 107360, 111386, 116864, 146080, 162016, 171776, 202520, 214720, 222772, 233728, 278465, 292160, 324032, 405040, 429440, 445544, 556930, 584320, 648064, 810080, 858880, 891088, 1113860, 1168640, 1296128, 1620160, 1782176, 2227720, 3240320, 3564352, 4455440, 6480640, 7128704, 8910880, 14257408, 17821760, 35643520, 71287040]

約数ペア:

[(1, 71287040), (2, 35643520), (4, 17821760), (5, 14257408), (8, 8910880), (10, 7128704), (11, 6480640), (16, 4455440), (20, 3564352), (22, 3240320), (32, 2227720), (40, 1782176), (44, 1620160), (55, 1296128), (61, 1168640), (64, 1113860), (80, 891088), (83, 858880), (88, 810080), (110, 648064), (122, 584320), (128, 556930), (160, 445544), (166, 429440), (176, 405040), (220, 324032), (244, 292160), (256, 278465), (305, 233728), (320, 222772), (332, 214720), (352, 202520), (415, 171776), (440, 162016), (488, 146080), (610, 116864), (640, 111386), (664, 107360), (671, 106240), (704, 101260), (830, 85888), (880, 81008), (913, 78080), (976, 73040), (1220, 58432), (1280, 55693), (1328, 53680), (1342, 53120), (1408, 50630), (1660, 42944), (1760, 40504), (1826, 39040), (1952, 36520), (2440, 29216), (2656, 26840), (2684, 26560), (2816, 25315), (3320, 21472), (3355, 21248), (3520, 20252), (3652, 19520), (3904, 18260), (4565, 15616), (4880, 14608), (5063, 14080), (5312, 13420), (5368, 13280), (6640, 10736), (6710, 10624), (7040, 10126), (7304, 9760), (7808, 9130)]