15220140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 49190400

約数和(自身を除く): 33970260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 79, 95, 114, 130, 156, 158, 169, 190, 195, 228, 237, 247, 260, 285, 316, 338, 380, 390, 395, 474, 494, 507, 570, 676, 741, 780, 790, 845, 948, 988, 1014, 1027, 1140, 1185, 1235, 1482, 1501, 1580, 1690, 2028, 2054, 2370, 2470, 2535, 2964, 3002, 3081, 3211, 3380, 3705, 4108, 4503, 4740, 4940, 5070, 5135, 6004, 6162, 6422, 7410, 7505, 9006, 9633, 10140, 10270, 12324, 12844, 13351, 14820, 15010, 15405, 16055, 18012, 19266, 19513, 20540, 22515, 26702, 30020, 30810, 32110, 38532, 39026, 40053, 45030, 48165, 53404, 58539, 61620, 64220, 66755, 78052, 80106, 90060, 96330, 97565, 117078, 133510, 160212, 192660, 195130, 200265, 234156, 253669, 267020, 292695, 390260, 400530, 507338, 585390, 761007, 801060, 1014676, 1170780, 1268345, 1522014, 2536690, 3044028, 3805035, 5073380, 7610070, 15220140]

約数ペア:

[(1, 15220140), (2, 7610070), (3, 5073380), (4, 3805035), (5, 3044028), (6, 2536690), (10, 1522014), (12, 1268345), (13, 1170780), (15, 1014676), (19, 801060), (20, 761007), (26, 585390), (30, 507338), (38, 400530), (39, 390260), (52, 292695), (57, 267020), (60, 253669), (65, 234156), (76, 200265), (78, 195130), (79, 192660), (95, 160212), (114, 133510), (130, 117078), (156, 97565), (158, 96330), (169, 90060), (190, 80106), (195, 78052), (228, 66755), (237, 64220), (247, 61620), (260, 58539), (285, 53404), (316, 48165), (338, 45030), (380, 40053), (390, 39026), (395, 38532), (474, 32110), (494, 30810), (507, 30020), (570, 26702), (676, 22515), (741, 20540), (780, 19513), (790, 19266), (845, 18012), (948, 16055), (988, 15405), (1014, 15010), (1027, 14820), (1140, 13351), (1185, 12844), (1235, 12324), (1482, 10270), (1501, 10140), (1580, 9633), (1690, 9006), (2028, 7505), (2054, 7410), (2370, 6422), (2470, 6162), (2535, 6004), (2964, 5135), (3002, 5070), (3081, 4940), (3211, 4740), (3380, 4503), (3705, 4108)]