220537980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1300

約数の個数: 144

約数和(自身を含む): 730154880

約数和(自身を除く): 509616900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 79, 90, 117, 130, 156, 158, 180, 195, 234, 237, 260, 316, 390, 395, 468, 474, 585, 711, 780, 790, 948, 1027, 1170, 1185, 1193, 1422, 1580, 2054, 2340, 2370, 2386, 2844, 3081, 3555, 3579, 4108, 4740, 4772, 5135, 5965, 6162, 7110, 7158, 9243, 10270, 10737, 11930, 12324, 14220, 14316, 15405, 15509, 17895, 18486, 20540, 21474, 23860, 30810, 31018, 35790, 36972, 42948, 46215, 46527, 53685, 61620, 62036, 71580, 77545, 92430, 93054, 94247, 107370, 139581, 155090, 184860, 186108, 188494, 214740, 232635, 279162, 282741, 310180, 376988, 465270, 471235, 558324, 565482, 697905, 848223, 930540, 942470, 1130964, 1225211, 1395810, 1413705, 1696446, 1884940, 2450422, 2791620, 2827410, 3392892, 3675633, 4241115, 4900844, 5654820, 6126055, 7351266, 8482230, 11026899, 12252110, 14702532, 16964460, 18378165, 22053798, 24504220, 36756330, 44107596, 55134495, 73512660, 110268990, 220537980]

約数ペア:

[(1, 220537980), (2, 110268990), (3, 73512660), (4, 55134495), (5, 44107596), (6, 36756330), (9, 24504220), (10, 22053798), (12, 18378165), (13, 16964460), (15, 14702532), (18, 12252110), (20, 11026899), (26, 8482230), (30, 7351266), (36, 6126055), (39, 5654820), (45, 4900844), (52, 4241115), (60, 3675633), (65, 3392892), (78, 2827410), (79, 2791620), (90, 2450422), (117, 1884940), (130, 1696446), (156, 1413705), (158, 1395810), (180, 1225211), (195, 1130964), (234, 942470), (237, 930540), (260, 848223), (316, 697905), (390, 565482), (395, 558324), (468, 471235), (474, 465270), (585, 376988), (711, 310180), (780, 282741), (790, 279162), (948, 232635), (1027, 214740), (1170, 188494), (1185, 186108), (1193, 184860), (1422, 155090), (1580, 139581), (2054, 107370), (2340, 94247), (2370, 93054), (2386, 92430), (2844, 77545), (3081, 71580), (3555, 62036), (3579, 61620), (4108, 53685), (4740, 46527), (4772, 46215), (5135, 42948), (5965, 36972), (6162, 35790), (7110, 31018), (7158, 30810), (9243, 23860), (10270, 21474), (10737, 20540), (11930, 18486), (12324, 17895), (14220, 15509), (14316, 15405)]