261832560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 922976640

約数和(自身を除く): 661144080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 41, 44, 48, 55, 59, 60, 66, 80, 82, 88, 110, 118, 120, 123, 132, 164, 165, 176, 177, 205, 220, 236, 240, 246, 264, 295, 328, 330, 354, 410, 440, 451, 472, 492, 528, 590, 615, 649, 656, 660, 708, 820, 880, 885, 902, 944, 984, 1180, 1230, 1298, 1320, 1353, 1416, 1640, 1681, 1770, 1804, 1947, 1968, 2255, 2360, 2419, 2460, 2596, 2640, 2706, 2832, 3245, 3280, 3362, 3540, 3608, 3894, 4510, 4720, 4838, 4920, 5043, 5192, 5412, 6490, 6724, 6765, 7080, 7216, 7257, 7788, 8405, 9020, 9676, 9735, 9840, 10086, 10384, 10824, 12095, 12980, 13448, 13530, 14160, 14514, 15576, 16810, 18040, 18491, 19352, 19470, 20172, 21648, 24190, 25215, 25960, 26609, 26896, 27060, 29028, 31152, 33620, 36080, 36285, 36982, 38704, 38940, 40344, 48380, 50430, 51920, 53218, 54120, 55473, 58056, 67240, 72570, 73964, 77880, 79827, 80688, 92455, 96760, 99179, 100860, 106436, 108240, 110946, 116112, 133045, 134480, 145140, 147928, 155760, 159654, 184910, 193520, 198358, 201720, 212872, 221892, 266090, 277365, 290280, 295856, 297537, 319308, 369820, 396716, 399135, 403440, 425744, 443784, 495895, 532180, 554730, 580560, 595074, 638616, 739640, 793432, 798270, 887568, 991790, 1064360, 1090969, 1109460, 1190148, 1277232, 1479280, 1487685, 1586864, 1596540, 1983580, 2128720, 2181938, 2218920, 2380296, 2975370, 3193080, 3272907, 3967160, 4363876, 4437840, 4760592, 5454845, 5950740, 6386160, 6545814, 7934320, 8727752, 10909690, 11901480, 13091628, 16364535, 17455504, 21819380, 23802960, 26183256, 32729070, 43638760, 52366512, 65458140, 87277520, 130916280, 261832560]

約数ペア:

[(1, 261832560), (2, 130916280), (3, 87277520), (4, 65458140), (5, 52366512), (6, 43638760), (8, 32729070), (10, 26183256), (11, 23802960), (12, 21819380), (15, 17455504), (16, 16364535), (20, 13091628), (22, 11901480), (24, 10909690), (30, 8727752), (33, 7934320), (40, 6545814), (41, 6386160), (44, 5950740), (48, 5454845), (55, 4760592), (59, 4437840), (60, 4363876), (66, 3967160), (80, 3272907), (82, 3193080), (88, 2975370), (110, 2380296), (118, 2218920), (120, 2181938), (123, 2128720), (132, 1983580), (164, 1596540), (165, 1586864), (176, 1487685), (177, 1479280), (205, 1277232), (220, 1190148), (236, 1109460), (240, 1090969), (246, 1064360), (264, 991790), (295, 887568), (328, 798270), (330, 793432), (354, 739640), (410, 638616), (440, 595074), (451, 580560), (472, 554730), (492, 532180), (528, 495895), (590, 443784), (615, 425744), (649, 403440), (656, 399135), (660, 396716), (708, 369820), (820, 319308), (880, 297537), (885, 295856), (902, 290280), (944, 277365), (984, 266090), (1180, 221892), (1230, 212872), (1298, 201720), (1320, 198358), (1353, 193520), (1416, 184910), (1640, 159654), (1681, 155760), (1770, 147928), (1804, 145140), (1947, 134480), (1968, 133045), (2255, 116112), (2360, 110946), (2419, 108240), (2460, 106436), (2596, 100860), (2640, 99179), (2706, 96760), (2832, 92455), (3245, 80688), (3280, 79827), (3362, 77880), (3540, 73964), (3608, 72570), (3894, 67240), (4510, 58056), (4720, 55473), (4838, 54120), (4920, 53218), (5043, 51920), (5192, 50430), (5412, 48380), (6490, 40344), (6724, 38940), (6765, 38704), (7080, 36982), (7216, 36285), (7257, 36080), (7788, 33620), (8405, 31152), (9020, 29028), (9676, 27060), (9735, 26896), (9840, 26609), (10086, 25960), (10384, 25215), (10824, 24190), (12095, 21648), (12980, 20172), (13448, 19470), (13530, 19352), (14160, 18491), (14514, 18040), (15576, 16810)]