16419120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 53518896

約数和(自身を除く): 37099776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 43, 48, 60, 74, 80, 86, 111, 120, 129, 148, 172, 185, 215, 222, 240, 258, 296, 344, 370, 430, 444, 516, 555, 592, 645, 688, 740, 860, 888, 1032, 1110, 1290, 1480, 1591, 1720, 1776, 1849, 2064, 2220, 2580, 2960, 3182, 3440, 3698, 4440, 4773, 5160, 5547, 6364, 7396, 7955, 8880, 9245, 9546, 10320, 11094, 12728, 14792, 15910, 18490, 19092, 22188, 23865, 25456, 27735, 29584, 31820, 36980, 38184, 44376, 47730, 55470, 63640, 68413, 73960, 76368, 88752, 95460, 110940, 127280, 136826, 147920, 190920, 205239, 221880, 273652, 342065, 381840, 410478, 443760, 547304, 684130, 820956, 1026195, 1094608, 1368260, 1641912, 2052390, 2736520, 3283824, 4104780, 5473040, 8209560, 16419120]

約数ペア:

[(1, 16419120), (2, 8209560), (3, 5473040), (4, 4104780), (5, 3283824), (6, 2736520), (8, 2052390), (10, 1641912), (12, 1368260), (15, 1094608), (16, 1026195), (20, 820956), (24, 684130), (30, 547304), (37, 443760), (40, 410478), (43, 381840), (48, 342065), (60, 273652), (74, 221880), (80, 205239), (86, 190920), (111, 147920), (120, 136826), (129, 127280), (148, 110940), (172, 95460), (185, 88752), (215, 76368), (222, 73960), (240, 68413), (258, 63640), (296, 55470), (344, 47730), (370, 44376), (430, 38184), (444, 36980), (516, 31820), (555, 29584), (592, 27735), (645, 25456), (688, 23865), (740, 22188), (860, 19092), (888, 18490), (1032, 15910), (1110, 14792), (1290, 12728), (1480, 11094), (1591, 10320), (1720, 9546), (1776, 9245), (1849, 8880), (2064, 7955), (2220, 7396), (2580, 6364), (2960, 5547), (3182, 5160), (3440, 4773), (3698, 4440)]