89972820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{101}}^2$

素因数の和:231

約数の個数: 162

約数和(自身を含む): 320649966

約数和(自身を除く): 230677146

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 101, 105, 126, 140, 147, 180, 196, 202, 210, 245, 252, 294, 303, 315, 404, 420, 441, 490, 505, 588, 606, 630, 707, 735, 882, 909, 980, 1010, 1212, 1260, 1414, 1470, 1515, 1764, 1818, 2020, 2121, 2205, 2828, 2940, 3030, 3535, 3636, 4242, 4410, 4545, 4949, 6060, 6363, 7070, 8484, 8820, 9090, 9898, 10201, 10605, 12726, 14140, 14847, 18180, 19796, 20402, 21210, 24745, 25452, 29694, 30603, 31815, 40804, 42420, 44541, 49490, 51005, 59388, 61206, 63630, 71407, 74235, 89082, 91809, 98980, 102010, 122412, 127260, 142814, 148470, 153015, 178164, 183618, 204020, 214221, 222705, 285628, 296940, 306030, 357035, 367236, 428442, 445410, 459045, 499849, 612060, 642663, 714070, 856884, 890820, 918090, 999698, 1071105, 1285326, 1428140, 1499547, 1836180, 1999396, 2142210, 2499245, 2570652, 2999094, 3213315, 4284420, 4498641, 4998490, 5998188, 6426630, 7497735, 8997282, 9996980, 12853260, 14995470, 17994564, 22493205, 29990940, 44986410, 89972820]

約数ペア:

[(1, 89972820), (2, 44986410), (3, 29990940), (4, 22493205), (5, 17994564), (6, 14995470), (7, 12853260), (9, 9996980), (10, 8997282), (12, 7497735), (14, 6426630), (15, 5998188), (18, 4998490), (20, 4498641), (21, 4284420), (28, 3213315), (30, 2999094), (35, 2570652), (36, 2499245), (42, 2142210), (45, 1999396), (49, 1836180), (60, 1499547), (63, 1428140), (70, 1285326), (84, 1071105), (90, 999698), (98, 918090), (101, 890820), (105, 856884), (126, 714070), (140, 642663), (147, 612060), (180, 499849), (196, 459045), (202, 445410), (210, 428442), (245, 367236), (252, 357035), (294, 306030), (303, 296940), (315, 285628), (404, 222705), (420, 214221), (441, 204020), (490, 183618), (505, 178164), (588, 153015), (606, 148470), (630, 142814), (707, 127260), (735, 122412), (882, 102010), (909, 98980), (980, 91809), (1010, 89082), (1212, 74235), (1260, 71407), (1414, 63630), (1470, 61206), (1515, 59388), (1764, 51005), (1818, 49490), (2020, 44541), (2121, 42420), (2205, 40804), (2828, 31815), (2940, 30603), (3030, 29694), (3535, 25452), (3636, 24745), (4242, 21210), (4410, 20402), (4545, 19796), (4949, 18180), (6060, 14847), (6363, 14140), (7070, 12726), (8484, 10605), (8820, 10201), (9090, 9898)]