15940620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 52416000

約数和(自身を除く): 36475380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 79, 90, 95, 114, 118, 158, 171, 177, 180, 190, 228, 236, 237, 285, 295, 316, 342, 354, 380, 395, 474, 531, 570, 590, 684, 708, 711, 790, 855, 885, 948, 1062, 1121, 1140, 1180, 1185, 1422, 1501, 1580, 1710, 1770, 2124, 2242, 2370, 2655, 2844, 3002, 3363, 3420, 3540, 3555, 4484, 4503, 4661, 4740, 5310, 5605, 6004, 6726, 7110, 7505, 9006, 9322, 10089, 10620, 11210, 13452, 13509, 13983, 14220, 15010, 16815, 18012, 18644, 20178, 22420, 22515, 23305, 27018, 27966, 30020, 33630, 40356, 41949, 45030, 46610, 50445, 54036, 55932, 67260, 67545, 69915, 83898, 88559, 90060, 93220, 100890, 135090, 139830, 167796, 177118, 201780, 209745, 265677, 270180, 279660, 354236, 419490, 442795, 531354, 797031, 838980, 885590, 1062708, 1328385, 1594062, 1771180, 2656770, 3188124, 3985155, 5313540, 7970310, 15940620]

約数ペア:

[(1, 15940620), (2, 7970310), (3, 5313540), (4, 3985155), (5, 3188124), (6, 2656770), (9, 1771180), (10, 1594062), (12, 1328385), (15, 1062708), (18, 885590), (19, 838980), (20, 797031), (30, 531354), (36, 442795), (38, 419490), (45, 354236), (57, 279660), (59, 270180), (60, 265677), (76, 209745), (79, 201780), (90, 177118), (95, 167796), (114, 139830), (118, 135090), (158, 100890), (171, 93220), (177, 90060), (180, 88559), (190, 83898), (228, 69915), (236, 67545), (237, 67260), (285, 55932), (295, 54036), (316, 50445), (342, 46610), (354, 45030), (380, 41949), (395, 40356), (474, 33630), (531, 30020), (570, 27966), (590, 27018), (684, 23305), (708, 22515), (711, 22420), (790, 20178), (855, 18644), (885, 18012), (948, 16815), (1062, 15010), (1121, 14220), (1140, 13983), (1180, 13509), (1185, 13452), (1422, 11210), (1501, 10620), (1580, 10089), (1710, 9322), (1770, 9006), (2124, 7505), (2242, 7110), (2370, 6726), (2655, 6004), (2844, 5605), (3002, 5310), (3363, 4740), (3420, 4661), (3540, 4503), (3555, 4484)]