646265880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8123}}^1$

素因数の和:8170

約数の個数: 192

約数和(自身を含む): 2395280160

約数和(自身を除く): 1749014280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 4680, 5304, 6120, 6630, 7956, 8123, 8840, 9945, 13260, 15912, 16246, 19890, 24369, 26520, 32492, 39780, 40615, 48738, 64984, 73107, 79560, 81230, 97476, 105599, 121845, 138091, 146214, 162460, 194952, 211198, 243690, 276182, 292428, 316797, 324920, 365535, 414273, 422396, 487380, 527995, 552364, 584856, 633594, 690455, 731070, 828546, 844792, 950391, 974760, 1055990, 1104728, 1242819, 1267188, 1380910, 1462140, 1583985, 1657092, 1795183, 1900782, 2071365, 2111980, 2485638, 2534376, 2761820, 2924280, 3167970, 3314184, 3590366, 3801564, 4142730, 4223960, 4751955, 4971276, 5385549, 5523640, 6214095, 6335940, 7180732, 7603128, 8285460, 8975915, 9503910, 9942552, 10771098, 12428190, 12671880, 14361464, 16156647, 16570920, 17951830, 19007820, 21542196, 24856380, 26927745, 32313294, 35903660, 38015640, 43084392, 49712760, 53855490, 64626588, 71807320, 80783235, 107710980, 129253176, 161566470, 215421960, 323132940, 646265880]

約数ペア:

[(1, 646265880), (2, 323132940), (3, 215421960), (4, 161566470), (5, 129253176), (6, 107710980), (8, 80783235), (9, 71807320), (10, 64626588), (12, 53855490), (13, 49712760), (15, 43084392), (17, 38015640), (18, 35903660), (20, 32313294), (24, 26927745), (26, 24856380), (30, 21542196), (34, 19007820), (36, 17951830), (39, 16570920), (40, 16156647), (45, 14361464), (51, 12671880), (52, 12428190), (60, 10771098), (65, 9942552), (68, 9503910), (72, 8975915), (78, 8285460), (85, 7603128), (90, 7180732), (102, 6335940), (104, 6214095), (117, 5523640), (120, 5385549), (130, 4971276), (136, 4751955), (153, 4223960), (156, 4142730), (170, 3801564), (180, 3590366), (195, 3314184), (204, 3167970), (221, 2924280), (234, 2761820), (255, 2534376), (260, 2485638), (306, 2111980), (312, 2071365), (340, 1900782), (360, 1795183), (390, 1657092), (408, 1583985), (442, 1462140), (468, 1380910), (510, 1267188), (520, 1242819), (585, 1104728), (612, 1055990), (663, 974760), (680, 950391), (765, 844792), (780, 828546), (884, 731070), (936, 690455), (1020, 633594), (1105, 584856), (1170, 552364), (1224, 527995), (1326, 487380), (1530, 422396), (1560, 414273), (1768, 365535), (1989, 324920), (2040, 316797), (2210, 292428), (2340, 276182), (2652, 243690), (3060, 211198), (3315, 194952), (3978, 162460), (4420, 146214), (4680, 138091), (5304, 121845), (6120, 105599), (6630, 97476), (7956, 81230), (8123, 79560), (8840, 73107), (9945, 64984), (13260, 48738), (15912, 40615), (16246, 39780), (19890, 32492), (24369, 26520)]