216221280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1381

約数の個数: 192

約数和(自身を含む): 767563776

約数和(自身を除く): 551342496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 682, 744, 880, 930, 992, 1023, 1056, 1240, 1320, 1321, 1364, 1488, 1705, 1760, 1860, 2046, 2480, 2640, 2642, 2728, 2976, 3410, 3720, 3963, 4092, 4960, 5115, 5280, 5284, 5456, 6605, 6820, 7440, 7926, 8184, 10230, 10568, 10912, 13210, 13640, 14531, 14880, 15852, 16368, 19815, 20460, 21136, 26420, 27280, 29062, 31704, 32736, 39630, 40920, 40951, 42272, 43593, 52840, 54560, 58124, 63408, 72655, 79260, 81840, 81902, 87186, 105680, 116248, 122853, 126816, 145310, 158520, 163680, 163804, 174372, 204755, 211360, 217965, 232496, 245706, 290620, 317040, 327608, 348744, 409510, 435930, 450461, 464992, 491412, 581240, 614265, 634080, 655216, 697488, 819020, 871860, 900922, 982824, 1162480, 1228530, 1310432, 1351383, 1394976, 1638040, 1743720, 1801844, 1965648, 2252305, 2324960, 2457060, 2702766, 3276080, 3487440, 3603688, 3931296, 4504610, 4914120, 5405532, 6552160, 6756915, 6974880, 7207376, 9009220, 9828240, 10811064, 13513830, 14414752, 18018440, 19656480, 21622128, 27027660, 36036880, 43244256, 54055320, 72073760, 108110640, 216221280]

約数ペア:

[(1, 216221280), (2, 108110640), (3, 72073760), (4, 54055320), (5, 43244256), (6, 36036880), (8, 27027660), (10, 21622128), (11, 19656480), (12, 18018440), (15, 14414752), (16, 13513830), (20, 10811064), (22, 9828240), (24, 9009220), (30, 7207376), (31, 6974880), (32, 6756915), (33, 6552160), (40, 5405532), (44, 4914120), (48, 4504610), (55, 3931296), (60, 3603688), (62, 3487440), (66, 3276080), (80, 2702766), (88, 2457060), (93, 2324960), (96, 2252305), (110, 1965648), (120, 1801844), (124, 1743720), (132, 1638040), (155, 1394976), (160, 1351383), (165, 1310432), (176, 1228530), (186, 1162480), (220, 982824), (240, 900922), (248, 871860), (264, 819020), (310, 697488), (330, 655216), (341, 634080), (352, 614265), (372, 581240), (440, 491412), (465, 464992), (480, 450461), (496, 435930), (528, 409510), (620, 348744), (660, 327608), (682, 317040), (744, 290620), (880, 245706), (930, 232496), (992, 217965), (1023, 211360), (1056, 204755), (1240, 174372), (1320, 163804), (1321, 163680), (1364, 158520), (1488, 145310), (1705, 126816), (1760, 122853), (1860, 116248), (2046, 105680), (2480, 87186), (2640, 81902), (2642, 81840), (2728, 79260), (2976, 72655), (3410, 63408), (3720, 58124), (3963, 54560), (4092, 52840), (4960, 43593), (5115, 42272), (5280, 40951), (5284, 40920), (5456, 39630), (6605, 32736), (6820, 31704), (7440, 29062), (7926, 27280), (8184, 26420), (10230, 21136), (10568, 20460), (10912, 19815), (13210, 16368), (13640, 15852), (14531, 14880)]