13305001580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1516

約数の個数: 144

約数和(自身を含む): 31428238464

約数和(自身を除く): 18123236884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 61, 65, 94, 122, 130, 169, 188, 235, 244, 260, 305, 338, 470, 610, 611, 676, 793, 845, 940, 1220, 1222, 1373, 1586, 1690, 2444, 2746, 2867, 3055, 3172, 3380, 3965, 5492, 5734, 6110, 6865, 7930, 7943, 10309, 11468, 12220, 13730, 14335, 15860, 15886, 17849, 20618, 27460, 28670, 31772, 35698, 37271, 39715, 41236, 51545, 57340, 64531, 71396, 74542, 79430, 83753, 89245, 103090, 129062, 149084, 158860, 167506, 178490, 186355, 206180, 232037, 258124, 322655, 335012, 356980, 372710, 418765, 464074, 484523, 645310, 745420, 837530, 838903, 928148, 969046, 1088789, 1160185, 1290620, 1675060, 1677806, 1938092, 2177578, 2320370, 2422615, 3355612, 3936391, 4194515, 4355156, 4640740, 4845230, 5443945, 7872782, 8389030, 9690460, 10887890, 10905739, 14154257, 15745564, 16778060, 19681955, 21775780, 21811478, 28308514, 39363910, 43622956, 51173083, 54528695, 56617028, 70771285, 78727820, 102346166, 109057390, 141542570, 204692332, 218114780, 255865415, 283085140, 511730830, 665250079, 1023461660, 1330500158, 2661000316, 3326250395, 6652500790, 13305001580]

約数ペア:

[(1, 13305001580), (2, 6652500790), (4, 3326250395), (5, 2661000316), (10, 1330500158), (13, 1023461660), (20, 665250079), (26, 511730830), (47, 283085140), (52, 255865415), (61, 218114780), (65, 204692332), (94, 141542570), (122, 109057390), (130, 102346166), (169, 78727820), (188, 70771285), (235, 56617028), (244, 54528695), (260, 51173083), (305, 43622956), (338, 39363910), (470, 28308514), (610, 21811478), (611, 21775780), (676, 19681955), (793, 16778060), (845, 15745564), (940, 14154257), (1220, 10905739), (1222, 10887890), (1373, 9690460), (1586, 8389030), (1690, 7872782), (2444, 5443945), (2746, 4845230), (2867, 4640740), (3055, 4355156), (3172, 4194515), (3380, 3936391), (3965, 3355612), (5492, 2422615), (5734, 2320370), (6110, 2177578), (6865, 1938092), (7930, 1677806), (7943, 1675060), (10309, 1290620), (11468, 1160185), (12220, 1088789), (13730, 969046), (14335, 928148), (15860, 838903), (15886, 837530), (17849, 745420), (20618, 645310), (27460, 484523), (28670, 464074), (31772, 418765), (35698, 372710), (37271, 356980), (39715, 335012), (41236, 322655), (51545, 258124), (57340, 232037), (64531, 206180), (71396, 186355), (74542, 178490), (79430, 167506), (83753, 158860), (89245, 149084), (103090, 129062)]