1242266940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{19889}}^1$

素因数の和:20251

約数の個数: 72

約数和(自身を含む): 3779259120

約数和(自身を除く): 2536992180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1388, 1735, 2082, 3123, 3470, 4164, 5205, 6246, 6940, 10410, 12492, 15615, 19889, 20820, 31230, 39778, 59667, 62460, 79556, 99445, 119334, 179001, 198890, 238668, 298335, 358002, 397780, 596670, 716004, 895005, 1193340, 1790010, 3580020, 6901483, 13802966, 20704449, 27605932, 34507415, 41408898, 62113347, 69014830, 82817796, 103522245, 124226694, 138029660, 207044490, 248453388, 310566735, 414088980, 621133470, 1242266940]

約数ペア:

[(1, 1242266940), (2, 621133470), (3, 414088980), (4, 310566735), (5, 248453388), (6, 207044490), (9, 138029660), (10, 124226694), (12, 103522245), (15, 82817796), (18, 69014830), (20, 62113347), (30, 41408898), (36, 34507415), (45, 27605932), (60, 20704449), (90, 13802966), (180, 6901483), (347, 3580020), (694, 1790010), (1041, 1193340), (1388, 895005), (1735, 716004), (2082, 596670), (3123, 397780), (3470, 358002), (4164, 298335), (5205, 238668), (6246, 198890), (6940, 179001), (10410, 119334), (12492, 99445), (15615, 79556), (19889, 62460), (20820, 59667), (31230, 39778)]