661130460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2560

約数の個数: 144

約数和(自身を含む): 2138572800

約数和(自身を除く): 1477442340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 285, 316, 342, 380, 395, 474, 570, 684, 711, 790, 855, 948, 1140, 1185, 1422, 1501, 1580, 1710, 2370, 2447, 2844, 3002, 3420, 3555, 4503, 4740, 4894, 6004, 7110, 7341, 7505, 9006, 9788, 12235, 13509, 14220, 14682, 15010, 18012, 22023, 22515, 24470, 27018, 29364, 30020, 36705, 44046, 45030, 46493, 48940, 54036, 67545, 73410, 88092, 90060, 92986, 110115, 135090, 139479, 146820, 185972, 193313, 220230, 232465, 270180, 278958, 386626, 418437, 440460, 464930, 557916, 579939, 697395, 773252, 836874, 929860, 966565, 1159878, 1394790, 1673748, 1739817, 1933130, 2092185, 2319756, 2789580, 2899695, 3479634, 3672947, 3866260, 4184370, 5799390, 6959268, 7345894, 8368740, 8699085, 11018841, 11598780, 14691788, 17398170, 18364735, 22037682, 33056523, 34796340, 36729470, 44075364, 55094205, 66113046, 73458940, 110188410, 132226092, 165282615, 220376820, 330565230, 661130460]

約数ペア:

[(1, 661130460), (2, 330565230), (3, 220376820), (4, 165282615), (5, 132226092), (6, 110188410), (9, 73458940), (10, 66113046), (12, 55094205), (15, 44075364), (18, 36729470), (19, 34796340), (20, 33056523), (30, 22037682), (36, 18364735), (38, 17398170), (45, 14691788), (57, 11598780), (60, 11018841), (76, 8699085), (79, 8368740), (90, 7345894), (95, 6959268), (114, 5799390), (158, 4184370), (171, 3866260), (180, 3672947), (190, 3479634), (228, 2899695), (237, 2789580), (285, 2319756), (316, 2092185), (342, 1933130), (380, 1739817), (395, 1673748), (474, 1394790), (570, 1159878), (684, 966565), (711, 929860), (790, 836874), (855, 773252), (948, 697395), (1140, 579939), (1185, 557916), (1422, 464930), (1501, 440460), (1580, 418437), (1710, 386626), (2370, 278958), (2447, 270180), (2844, 232465), (3002, 220230), (3420, 193313), (3555, 185972), (4503, 146820), (4740, 139479), (4894, 135090), (6004, 110115), (7110, 92986), (7341, 90060), (7505, 88092), (9006, 73410), (9788, 67545), (12235, 54036), (13509, 48940), (14220, 46493), (14682, 45030), (15010, 44046), (18012, 36705), (22023, 30020), (22515, 29364), (24470, 27018)]