70684980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 220739904

約数和(自身を除く): 150054924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 131, 138, 170, 204, 230, 255, 262, 276, 340, 345, 391, 393, 460, 510, 524, 529, 655, 690, 782, 786, 1020, 1058, 1173, 1310, 1380, 1564, 1572, 1587, 1955, 1965, 2116, 2227, 2346, 2620, 2645, 3013, 3174, 3910, 3930, 4454, 4692, 5290, 5865, 6026, 6348, 6681, 7820, 7860, 7935, 8908, 8993, 9039, 10580, 11135, 11730, 12052, 13362, 15065, 15870, 17986, 18078, 22270, 23460, 26724, 26979, 30130, 31740, 33405, 35972, 36156, 44540, 44965, 45195, 51221, 53958, 60260, 66810, 69299, 89930, 90390, 102442, 107916, 133620, 134895, 138598, 153663, 179860, 180780, 204884, 207897, 256105, 269790, 277196, 307326, 346495, 415794, 512210, 539580, 614652, 692990, 768315, 831588, 1024420, 1039485, 1178083, 1385980, 1536630, 2078970, 2356166, 3073260, 3534249, 4157940, 4712332, 5890415, 7068498, 11780830, 14136996, 17671245, 23561660, 35342490, 70684980]

約数ペア:

[(1, 70684980), (2, 35342490), (3, 23561660), (4, 17671245), (5, 14136996), (6, 11780830), (10, 7068498), (12, 5890415), (15, 4712332), (17, 4157940), (20, 3534249), (23, 3073260), (30, 2356166), (34, 2078970), (46, 1536630), (51, 1385980), (60, 1178083), (68, 1039485), (69, 1024420), (85, 831588), (92, 768315), (102, 692990), (115, 614652), (131, 539580), (138, 512210), (170, 415794), (204, 346495), (230, 307326), (255, 277196), (262, 269790), (276, 256105), (340, 207897), (345, 204884), (391, 180780), (393, 179860), (460, 153663), (510, 138598), (524, 134895), (529, 133620), (655, 107916), (690, 102442), (782, 90390), (786, 89930), (1020, 69299), (1058, 66810), (1173, 60260), (1310, 53958), (1380, 51221), (1564, 45195), (1572, 44965), (1587, 44540), (1955, 36156), (1965, 35972), (2116, 33405), (2227, 31740), (2346, 30130), (2620, 26979), (2645, 26724), (3013, 23460), (3174, 22270), (3910, 18078), (3930, 17986), (4454, 15870), (4692, 15065), (5290, 13362), (5865, 12052), (6026, 11730), (6348, 11135), (6681, 10580), (7820, 9039), (7860, 8993), (7935, 8908)]