228420840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2803

約数の個数: 128

約数和(自身を含む): 743541120

約数和(自身を除く): 515120280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 408, 410, 492, 510, 615, 680, 697, 820, 984, 1020, 1230, 1394, 1640, 2040, 2091, 2460, 2731, 2788, 3485, 4182, 4920, 5462, 5576, 6970, 8193, 8364, 10455, 10924, 13655, 13940, 16386, 16728, 20910, 21848, 27310, 27880, 32772, 40965, 41820, 46427, 54620, 65544, 81930, 83640, 92854, 109240, 111971, 139281, 163860, 185708, 223942, 232135, 278562, 327720, 335913, 371416, 447884, 464270, 557124, 559855, 671826, 696405, 895768, 928540, 1114248, 1119710, 1343652, 1392810, 1679565, 1857080, 1903507, 2239420, 2687304, 2785620, 3359130, 3807014, 4478840, 5571240, 5710521, 6718260, 7614028, 9517535, 11421042, 13436520, 15228056, 19035070, 22842084, 28552605, 38070140, 45684168, 57105210, 76140280, 114210420, 228420840]

約数ペア:

[(1, 228420840), (2, 114210420), (3, 76140280), (4, 57105210), (5, 45684168), (6, 38070140), (8, 28552605), (10, 22842084), (12, 19035070), (15, 15228056), (17, 13436520), (20, 11421042), (24, 9517535), (30, 7614028), (34, 6718260), (40, 5710521), (41, 5571240), (51, 4478840), (60, 3807014), (68, 3359130), (82, 2785620), (85, 2687304), (102, 2239420), (120, 1903507), (123, 1857080), (136, 1679565), (164, 1392810), (170, 1343652), (204, 1119710), (205, 1114248), (246, 928540), (255, 895768), (328, 696405), (340, 671826), (408, 559855), (410, 557124), (492, 464270), (510, 447884), (615, 371416), (680, 335913), (697, 327720), (820, 278562), (984, 232135), (1020, 223942), (1230, 185708), (1394, 163860), (1640, 139281), (2040, 111971), (2091, 109240), (2460, 92854), (2731, 83640), (2788, 81930), (3485, 65544), (4182, 54620), (4920, 46427), (5462, 41820), (5576, 40965), (6970, 32772), (8193, 27880), (8364, 27310), (10455, 21848), (10924, 20910), (13655, 16728), (13940, 16386)]