197501580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 288

約数和(自身を含む): 691891200

約数和(自身を除く): 494389620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 43, 45, 51, 57, 60, 68, 76, 79, 85, 86, 90, 95, 102, 114, 129, 153, 158, 170, 171, 172, 180, 190, 204, 215, 228, 237, 255, 258, 285, 306, 316, 323, 340, 342, 380, 387, 395, 430, 474, 510, 516, 570, 612, 645, 646, 684, 711, 731, 765, 774, 790, 817, 855, 860, 948, 969, 1020, 1140, 1185, 1290, 1292, 1343, 1422, 1462, 1501, 1530, 1548, 1580, 1615, 1634, 1710, 1935, 1938, 2193, 2370, 2451, 2580, 2686, 2844, 2907, 2924, 3002, 3060, 3230, 3268, 3397, 3420, 3555, 3655, 3870, 3876, 4029, 4085, 4386, 4503, 4740, 4845, 4902, 5372, 5814, 6004, 6460, 6579, 6715, 6794, 7110, 7310, 7353, 7505, 7740, 8058, 8170, 8772, 9006, 9690, 9804, 10191, 10965, 11628, 12087, 12255, 13158, 13430, 13509, 13588, 13889, 14220, 14535, 14620, 14706, 15010, 16116, 16340, 16985, 18012, 19380, 20145, 20382, 21930, 22515, 24174, 24510, 25517, 26316, 26860, 27018, 27778, 29070, 29412, 30020, 30573, 32895, 33970, 36765, 40290, 40764, 41667, 43860, 45030, 48348, 49020, 50955, 51034, 54036, 55556, 57749, 58140, 60435, 61146, 64543, 65790, 67545, 67940, 69445, 73530, 76551, 80580, 83334, 90060, 101910, 102068, 115498, 120870, 122292, 125001, 127585, 129086, 131580, 135090, 138890, 147060, 152865, 153102, 166668, 173247, 193629, 203820, 208335, 229653, 230996, 241740, 250002, 255170, 258172, 270180, 277780, 288745, 305730, 306204, 322715, 346494, 382755, 387258, 416670, 459306, 500004, 510340, 519741, 577490, 580887, 611460, 625005, 645430, 692988, 765510, 774516, 833340, 866235, 918612, 968145, 1039482, 1097231, 1148265, 1154980, 1161774, 1250010, 1290860, 1531020, 1732470, 1936290, 2078964, 2194462, 2296530, 2323548, 2500020, 2598705, 2904435, 3291693, 3464940, 3872580, 4388924, 4593060, 5197410, 5486155, 5808870, 6583386, 9875079, 10394820, 10972310, 11617740, 13166772, 16458465, 19750158, 21944620, 32916930, 39500316, 49375395, 65833860, 98750790, 197501580]

約数ペア:

[(1, 197501580), (2, 98750790), (3, 65833860), (4, 49375395), (5, 39500316), (6, 32916930), (9, 21944620), (10, 19750158), (12, 16458465), (15, 13166772), (17, 11617740), (18, 10972310), (19, 10394820), (20, 9875079), (30, 6583386), (34, 5808870), (36, 5486155), (38, 5197410), (43, 4593060), (45, 4388924), (51, 3872580), (57, 3464940), (60, 3291693), (68, 2904435), (76, 2598705), (79, 2500020), (85, 2323548), (86, 2296530), (90, 2194462), (95, 2078964), (102, 1936290), (114, 1732470), (129, 1531020), (153, 1290860), (158, 1250010), (170, 1161774), (171, 1154980), (172, 1148265), (180, 1097231), (190, 1039482), (204, 968145), (215, 918612), (228, 866235), (237, 833340), (255, 774516), (258, 765510), (285, 692988), (306, 645430), (316, 625005), (323, 611460), (340, 580887), (342, 577490), (380, 519741), (387, 510340), (395, 500004), (430, 459306), (474, 416670), (510, 387258), (516, 382755), (570, 346494), (612, 322715), (645, 306204), (646, 305730), (684, 288745), (711, 277780), (731, 270180), (765, 258172), (774, 255170), (790, 250002), (817, 241740), (855, 230996), (860, 229653), (948, 208335), (969, 203820), (1020, 193629), (1140, 173247), (1185, 166668), (1290, 153102), (1292, 152865), (1343, 147060), (1422, 138890), (1462, 135090), (1501, 131580), (1530, 129086), (1548, 127585), (1580, 125001), (1615, 122292), (1634, 120870), (1710, 115498), (1935, 102068), (1938, 101910), (2193, 90060), (2370, 83334), (2451, 80580), (2580, 76551), (2686, 73530), (2844, 69445), (2907, 67940), (2924, 67545), (3002, 65790), (3060, 64543), (3230, 61146), (3268, 60435), (3397, 58140), (3420, 57749), (3555, 55556), (3655, 54036), (3870, 51034), (3876, 50955), (4029, 49020), (4085, 48348), (4386, 45030), (4503, 43860), (4740, 41667), (4845, 40764), (4902, 40290), (5372, 36765), (5814, 33970), (6004, 32895), (6460, 30573), (6579, 30020), (6715, 29412), (6794, 29070), (7110, 27778), (7310, 27018), (7353, 26860), (7505, 26316), (7740, 25517), (8058, 24510), (8170, 24174), (8772, 22515), (9006, 21930), (9690, 20382), (9804, 20145), (10191, 19380), (10965, 18012), (11628, 16985), (12087, 16340), (12255, 16116), (13158, 15010), (13430, 14706), (13509, 14620), (13588, 14535), (13889, 14220)]