1256680620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:529

約数の個数: 216

約数和(自身を含む): 4176572400

約数和(自身を除く): 2919891780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 169, 180, 195, 218, 234, 260, 327, 338, 379, 390, 436, 468, 507, 545, 585, 654, 676, 758, 780, 845, 981, 1014, 1090, 1137, 1170, 1308, 1417, 1516, 1521, 1635, 1690, 1895, 1962, 2028, 2180, 2274, 2340, 2535, 2834, 3042, 3270, 3380, 3411, 3790, 3924, 4251, 4548, 4905, 4927, 5070, 5668, 5685, 6084, 6540, 6822, 7085, 7580, 7605, 8502, 9810, 9854, 10140, 11370, 12753, 13644, 14170, 14781, 15210, 17004, 17055, 18421, 19620, 19708, 21255, 22740, 24635, 25506, 28340, 29562, 30420, 34110, 36842, 41311, 42510, 44343, 49270, 51012, 55263, 59124, 63765, 64051, 68220, 73684, 73905, 82622, 85020, 88686, 92105, 98540, 110526, 123933, 127530, 128102, 147810, 165244, 165789, 177372, 184210, 192153, 206555, 221052, 221715, 247866, 255060, 256204, 276315, 295620, 320255, 331578, 368420, 371799, 384306, 413110, 443430, 495732, 537043, 552630, 576459, 619665, 640510, 663156, 743598, 768612, 826220, 828945, 886860, 960765, 1074086, 1105260, 1152918, 1239330, 1281020, 1487196, 1611129, 1657890, 1858995, 1921530, 2148172, 2305836, 2478660, 2685215, 2882295, 3222258, 3315780, 3717990, 3843060, 4833387, 5370430, 5764590, 6444516, 6981559, 7435980, 8055645, 9666774, 10740860, 11529180, 13963118, 16111290, 19333548, 20944677, 24166935, 27926236, 32222580, 34907795, 41889354, 48333870, 62834031, 69815590, 83778708, 96667740, 104723385, 125668062, 139631180, 209446770, 251336124, 314170155, 418893540, 628340310, 1256680620]

約数ペア:

[(1, 1256680620), (2, 628340310), (3, 418893540), (4, 314170155), (5, 251336124), (6, 209446770), (9, 139631180), (10, 125668062), (12, 104723385), (13, 96667740), (15, 83778708), (18, 69815590), (20, 62834031), (26, 48333870), (30, 41889354), (36, 34907795), (39, 32222580), (45, 27926236), (52, 24166935), (60, 20944677), (65, 19333548), (78, 16111290), (90, 13963118), (109, 11529180), (117, 10740860), (130, 9666774), (156, 8055645), (169, 7435980), (180, 6981559), (195, 6444516), (218, 5764590), (234, 5370430), (260, 4833387), (327, 3843060), (338, 3717990), (379, 3315780), (390, 3222258), (436, 2882295), (468, 2685215), (507, 2478660), (545, 2305836), (585, 2148172), (654, 1921530), (676, 1858995), (758, 1657890), (780, 1611129), (845, 1487196), (981, 1281020), (1014, 1239330), (1090, 1152918), (1137, 1105260), (1170, 1074086), (1308, 960765), (1417, 886860), (1516, 828945), (1521, 826220), (1635, 768612), (1690, 743598), (1895, 663156), (1962, 640510), (2028, 619665), (2180, 576459), (2274, 552630), (2340, 537043), (2535, 495732), (2834, 443430), (3042, 413110), (3270, 384306), (3380, 371799), (3411, 368420), (3790, 331578), (3924, 320255), (4251, 295620), (4548, 276315), (4905, 256204), (4927, 255060), (5070, 247866), (5668, 221715), (5685, 221052), (6084, 206555), (6540, 192153), (6822, 184210), (7085, 177372), (7580, 165789), (7605, 165244), (8502, 147810), (9810, 128102), (9854, 127530), (10140, 123933), (11370, 110526), (12753, 98540), (13644, 92105), (14170, 88686), (14781, 85020), (15210, 82622), (17004, 73905), (17055, 73684), (18421, 68220), (19620, 64051), (19708, 63765), (21255, 59124), (22740, 55263), (24635, 51012), (25506, 49270), (28340, 44343), (29562, 42510), (30420, 41311), (34110, 36842)]