205711440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1257

約数の個数: 160

約数和(自身を含む): 706669056

約数和(自身を除く): 500957616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 67, 80, 88, 110, 120, 132, 134, 165, 176, 201, 220, 240, 264, 268, 330, 335, 402, 440, 528, 536, 660, 670, 737, 804, 880, 1005, 1072, 1163, 1320, 1340, 1474, 1608, 2010, 2211, 2326, 2640, 2680, 2948, 3216, 3489, 3685, 4020, 4422, 4652, 5360, 5815, 5896, 6978, 7370, 8040, 8844, 9304, 11055, 11630, 11792, 12793, 13956, 14740, 16080, 17445, 17688, 18608, 22110, 23260, 25586, 27912, 29480, 34890, 35376, 38379, 44220, 46520, 51172, 55824, 58960, 63965, 69780, 76758, 77921, 88440, 93040, 102344, 127930, 139560, 153516, 155842, 176880, 191895, 204688, 233763, 255860, 279120, 307032, 311684, 383790, 389605, 467526, 511720, 614064, 623368, 767580, 779210, 857131, 935052, 1023440, 1168815, 1246736, 1535160, 1558420, 1714262, 1870104, 2337630, 2571393, 3070320, 3116840, 3428524, 3740208, 4285655, 4675260, 5142786, 6233680, 6857048, 8571310, 9350520, 10285572, 12856965, 13714096, 17142620, 18701040, 20571144, 25713930, 34285240, 41142288, 51427860, 68570480, 102855720, 205711440]

約数ペア:

[(1, 205711440), (2, 102855720), (3, 68570480), (4, 51427860), (5, 41142288), (6, 34285240), (8, 25713930), (10, 20571144), (11, 18701040), (12, 17142620), (15, 13714096), (16, 12856965), (20, 10285572), (22, 9350520), (24, 8571310), (30, 6857048), (33, 6233680), (40, 5142786), (44, 4675260), (48, 4285655), (55, 3740208), (60, 3428524), (66, 3116840), (67, 3070320), (80, 2571393), (88, 2337630), (110, 1870104), (120, 1714262), (132, 1558420), (134, 1535160), (165, 1246736), (176, 1168815), (201, 1023440), (220, 935052), (240, 857131), (264, 779210), (268, 767580), (330, 623368), (335, 614064), (402, 511720), (440, 467526), (528, 389605), (536, 383790), (660, 311684), (670, 307032), (737, 279120), (804, 255860), (880, 233763), (1005, 204688), (1072, 191895), (1163, 176880), (1320, 155842), (1340, 153516), (1474, 139560), (1608, 127930), (2010, 102344), (2211, 93040), (2326, 88440), (2640, 77921), (2680, 76758), (2948, 69780), (3216, 63965), (3489, 58960), (3685, 55824), (4020, 51172), (4422, 46520), (4652, 44220), (5360, 38379), (5815, 35376), (5896, 34890), (6978, 29480), (7370, 27912), (8040, 25586), (8844, 23260), (9304, 22110), (11055, 18608), (11630, 17688), (11792, 17445), (12793, 16080), (13956, 14740)]