206847810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1961

約数の個数: 128

約数和(自身を含む): 613509120

約数和(自身を除く): 406661310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 234, 270, 279, 310, 351, 390, 403, 465, 558, 585, 702, 806, 837, 930, 1170, 1209, 1395, 1674, 1755, 1901, 2015, 2418, 2790, 3510, 3627, 3802, 4030, 4185, 5703, 6045, 7254, 8370, 9505, 10881, 11406, 12090, 17109, 18135, 19010, 21762, 24713, 28515, 34218, 36270, 49426, 51327, 54405, 57030, 58931, 74139, 85545, 102654, 108810, 117862, 123565, 148278, 171090, 176793, 222417, 247130, 256635, 294655, 353586, 370695, 444834, 513270, 530379, 589310, 667251, 741390, 766103, 883965, 1060758, 1112085, 1334502, 1532206, 1591137, 1767930, 2224170, 2298309, 2651895, 3182274, 3336255, 3830515, 4596618, 5303790, 6672510, 6894927, 7661030, 7955685, 11491545, 13789854, 15911370, 20684781, 22983090, 34474635, 41369562, 68949270, 103423905, 206847810]

約数ペア:

[(1, 206847810), (2, 103423905), (3, 68949270), (5, 41369562), (6, 34474635), (9, 22983090), (10, 20684781), (13, 15911370), (15, 13789854), (18, 11491545), (26, 7955685), (27, 7661030), (30, 6894927), (31, 6672510), (39, 5303790), (45, 4596618), (54, 3830515), (62, 3336255), (65, 3182274), (78, 2651895), (90, 2298309), (93, 2224170), (117, 1767930), (130, 1591137), (135, 1532206), (155, 1334502), (186, 1112085), (195, 1060758), (234, 883965), (270, 766103), (279, 741390), (310, 667251), (351, 589310), (390, 530379), (403, 513270), (465, 444834), (558, 370695), (585, 353586), (702, 294655), (806, 256635), (837, 247130), (930, 222417), (1170, 176793), (1209, 171090), (1395, 148278), (1674, 123565), (1755, 117862), (1901, 108810), (2015, 102654), (2418, 85545), (2790, 74139), (3510, 58931), (3627, 57030), (3802, 54405), (4030, 51327), (4185, 49426), (5703, 36270), (6045, 34218), (7254, 28515), (8370, 24713), (9505, 21762), (10881, 19010), (11406, 18135), (12090, 17109)]