15515220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 54867456

約数和(自身を除く): 39352236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 41, 42, 51, 53, 60, 68, 70, 82, 84, 85, 102, 105, 106, 119, 123, 140, 159, 164, 170, 204, 205, 210, 212, 238, 246, 255, 265, 287, 318, 340, 357, 371, 410, 420, 476, 492, 510, 530, 574, 595, 615, 636, 697, 714, 742, 795, 820, 861, 901, 1020, 1060, 1113, 1148, 1190, 1230, 1394, 1428, 1435, 1484, 1590, 1722, 1785, 1802, 1855, 2091, 2173, 2226, 2380, 2460, 2703, 2788, 2870, 3180, 3444, 3485, 3570, 3604, 3710, 4182, 4305, 4346, 4452, 4505, 4879, 5406, 5565, 5740, 6307, 6519, 6970, 7140, 7420, 8364, 8610, 8692, 9010, 9758, 10455, 10812, 10865, 11130, 12614, 13038, 13515, 13940, 14637, 15211, 17220, 18020, 18921, 19516, 20910, 21730, 22260, 24395, 25228, 26076, 27030, 29274, 30422, 31535, 32595, 36941, 37842, 41820, 43460, 45633, 48790, 54060, 58548, 60844, 63070, 65190, 73185, 73882, 75684, 76055, 91266, 94605, 97580, 110823, 126140, 130380, 146370, 147764, 152110, 182532, 184705, 189210, 221646, 228165, 258587, 292740, 304220, 369410, 378420, 443292, 456330, 517174, 554115, 738820, 775761, 912660, 1034348, 1108230, 1292935, 1551522, 2216460, 2585870, 3103044, 3878805, 5171740, 7757610, 15515220]

約数ペア:

[(1, 15515220), (2, 7757610), (3, 5171740), (4, 3878805), (5, 3103044), (6, 2585870), (7, 2216460), (10, 1551522), (12, 1292935), (14, 1108230), (15, 1034348), (17, 912660), (20, 775761), (21, 738820), (28, 554115), (30, 517174), (34, 456330), (35, 443292), (41, 378420), (42, 369410), (51, 304220), (53, 292740), (60, 258587), (68, 228165), (70, 221646), (82, 189210), (84, 184705), (85, 182532), (102, 152110), (105, 147764), (106, 146370), (119, 130380), (123, 126140), (140, 110823), (159, 97580), (164, 94605), (170, 91266), (204, 76055), (205, 75684), (210, 73882), (212, 73185), (238, 65190), (246, 63070), (255, 60844), (265, 58548), (287, 54060), (318, 48790), (340, 45633), (357, 43460), (371, 41820), (410, 37842), (420, 36941), (476, 32595), (492, 31535), (510, 30422), (530, 29274), (574, 27030), (595, 26076), (615, 25228), (636, 24395), (697, 22260), (714, 21730), (742, 20910), (795, 19516), (820, 18921), (861, 18020), (901, 17220), (1020, 15211), (1060, 14637), (1113, 13940), (1148, 13515), (1190, 13038), (1230, 12614), (1394, 11130), (1428, 10865), (1435, 10812), (1484, 10455), (1590, 9758), (1722, 9010), (1785, 8692), (1802, 8610), (1855, 8364), (2091, 7420), (2173, 7140), (2226, 6970), (2380, 6519), (2460, 6307), (2703, 5740), (2788, 5565), (2870, 5406), (3180, 4879), (3444, 4505), (3485, 4452), (3570, 4346), (3604, 4305), (3710, 4182)]