221400540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7193}}^1$

素因数の和:7233

約数の個数: 120

約数和(自身を含む): 731198160

約数和(自身を除く): 509797620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7193, 7695, 10260, 14386, 15390, 21579, 28772, 30780, 35965, 43158, 64737, 71930, 86316, 107895, 129474, 136667, 143860, 194211, 215790, 258948, 273334, 323685, 388422, 410001, 431580, 546668, 582633, 647370, 683335, 776844, 820002, 971055, 1165266, 1230003, 1294740, 1366670, 1640004, 1942110, 2050005, 2330532, 2460006, 2733340, 2913165, 3690009, 3884220, 4100010, 4920012, 5826330, 6150015, 7380018, 8200020, 11070027, 11652660, 12300030, 14760036, 18450045, 22140054, 24600060, 36900090, 44280108, 55350135, 73800180, 110700270, 221400540]

約数ペア:

[(1, 221400540), (2, 110700270), (3, 73800180), (4, 55350135), (5, 44280108), (6, 36900090), (9, 24600060), (10, 22140054), (12, 18450045), (15, 14760036), (18, 12300030), (19, 11652660), (20, 11070027), (27, 8200020), (30, 7380018), (36, 6150015), (38, 5826330), (45, 4920012), (54, 4100010), (57, 3884220), (60, 3690009), (76, 2913165), (81, 2733340), (90, 2460006), (95, 2330532), (108, 2050005), (114, 1942110), (135, 1640004), (162, 1366670), (171, 1294740), (180, 1230003), (190, 1165266), (228, 971055), (270, 820002), (285, 776844), (324, 683335), (342, 647370), (380, 582633), (405, 546668), (513, 431580), (540, 410001), (570, 388422), (684, 323685), (810, 273334), (855, 258948), (1026, 215790), (1140, 194211), (1539, 143860), (1620, 136667), (1710, 129474), (2052, 107895), (2565, 86316), (3078, 71930), (3420, 64737), (5130, 43158), (6156, 35965), (7193, 30780), (7695, 28772), (10260, 21579), (14386, 15390)]