2018109780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{659513}}^1$

素因数の和:659545

約数の個数: 72

約数和(自身を含む): 6481703592

約数和(自身を除く): 4463593812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 659513, 1319026, 1978539, 2638052, 3297565, 3957078, 5935617, 6595130, 7914156, 9892695, 11211721, 11871234, 13190260, 19785390, 22423442, 23742468, 29678085, 33635163, 39570780, 44846884, 56058605, 59356170, 67270326, 100905489, 112117210, 118712340, 134540652, 168175815, 201810978, 224234420, 336351630, 403621956, 504527445, 672703260, 1009054890, 2018109780]

約数ペア:

[(1, 2018109780), (2, 1009054890), (3, 672703260), (4, 504527445), (5, 403621956), (6, 336351630), (9, 224234420), (10, 201810978), (12, 168175815), (15, 134540652), (17, 118712340), (18, 112117210), (20, 100905489), (30, 67270326), (34, 59356170), (36, 56058605), (45, 44846884), (51, 39570780), (60, 33635163), (68, 29678085), (85, 23742468), (90, 22423442), (102, 19785390), (153, 13190260), (170, 11871234), (180, 11211721), (204, 9892695), (255, 7914156), (306, 6595130), (340, 5935617), (510, 3957078), (612, 3297565), (765, 2638052), (1020, 1978539), (1530, 1319026), (3060, 659513)]