280302930

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 793158912

約数和(自身を除く): 512855982

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 61, 62, 81, 90, 93, 122, 135, 155, 162, 183, 186, 243, 270, 279, 305, 310, 366, 405, 465, 486, 549, 558, 610, 810, 837, 915, 930, 1098, 1215, 1395, 1647, 1674, 1830, 1891, 2430, 2511, 2745, 2790, 3294, 3721, 3782, 4185, 4941, 5022, 5490, 5673, 7442, 7533, 8235, 8370, 9455, 9882, 11163, 11346, 12555, 14823, 15066, 16470, 17019, 18605, 18910, 22326, 24705, 25110, 28365, 29646, 33489, 34038, 37210, 37665, 49410, 51057, 55815, 56730, 66978, 74115, 75330, 85095, 100467, 102114, 111630, 115351, 148230, 153171, 167445, 170190, 200934, 230702, 255285, 301401, 306342, 334890, 346053, 459513, 502335, 510570, 576755, 602802, 692106, 765855, 904203, 919026, 1004670, 1038159, 1153510, 1507005, 1531710, 1730265, 1808406, 2076318, 2297565, 3014010, 3114477, 3460530, 4521015, 4595130, 5190795, 6228954, 9042030, 9343431, 10381590, 15572385, 18686862, 28030293, 31144770, 46717155, 56060586, 93434310, 140151465, 280302930]

約数ペア:

[(1, 280302930), (2, 140151465), (3, 93434310), (5, 56060586), (6, 46717155), (9, 31144770), (10, 28030293), (15, 18686862), (18, 15572385), (27, 10381590), (30, 9343431), (31, 9042030), (45, 6228954), (54, 5190795), (61, 4595130), (62, 4521015), (81, 3460530), (90, 3114477), (93, 3014010), (122, 2297565), (135, 2076318), (155, 1808406), (162, 1730265), (183, 1531710), (186, 1507005), (243, 1153510), (270, 1038159), (279, 1004670), (305, 919026), (310, 904203), (366, 765855), (405, 692106), (465, 602802), (486, 576755), (549, 510570), (558, 502335), (610, 459513), (810, 346053), (837, 334890), (915, 306342), (930, 301401), (1098, 255285), (1215, 230702), (1395, 200934), (1647, 170190), (1674, 167445), (1830, 153171), (1891, 148230), (2430, 115351), (2511, 111630), (2745, 102114), (2790, 100467), (3294, 85095), (3721, 75330), (3782, 74115), (4185, 66978), (4941, 56730), (5022, 55815), (5490, 51057), (5673, 49410), (7442, 37665), (7533, 37210), (8235, 34038), (8370, 33489), (9455, 29646), (9882, 28365), (11163, 25110), (11346, 24705), (12555, 22326), (14823, 18910), (15066, 18605), (16470, 17019)]