18720240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1013}}^1$

素因数の和:1047

約数の個数: 160

約数和(自身を含む): 72423936

約数和(自身を除く): 53703696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1013, 1155, 1232, 1320, 1540, 1680, 1848, 2026, 2310, 2640, 3039, 3080, 3696, 4052, 4620, 5065, 6078, 6160, 7091, 8104, 9240, 10130, 11143, 12156, 14182, 15195, 16208, 18480, 20260, 21273, 22286, 24312, 28364, 30390, 33429, 35455, 40520, 42546, 44572, 48624, 55715, 56728, 60780, 66858, 70910, 78001, 81040, 85092, 89144, 106365, 111430, 113456, 121560, 133716, 141820, 156002, 167145, 170184, 178288, 212730, 222860, 234003, 243120, 267432, 283640, 312004, 334290, 340368, 390005, 425460, 445720, 468006, 534864, 567280, 624008, 668580, 780010, 850920, 891440, 936012, 1170015, 1248016, 1337160, 1560020, 1701840, 1872024, 2340030, 2674320, 3120040, 3744048, 4680060, 6240080, 9360120, 18720240]

約数ペア:

[(1, 18720240), (2, 9360120), (3, 6240080), (4, 4680060), (5, 3744048), (6, 3120040), (7, 2674320), (8, 2340030), (10, 1872024), (11, 1701840), (12, 1560020), (14, 1337160), (15, 1248016), (16, 1170015), (20, 936012), (21, 891440), (22, 850920), (24, 780010), (28, 668580), (30, 624008), (33, 567280), (35, 534864), (40, 468006), (42, 445720), (44, 425460), (48, 390005), (55, 340368), (56, 334290), (60, 312004), (66, 283640), (70, 267432), (77, 243120), (80, 234003), (84, 222860), (88, 212730), (105, 178288), (110, 170184), (112, 167145), (120, 156002), (132, 141820), (140, 133716), (154, 121560), (165, 113456), (168, 111430), (176, 106365), (210, 89144), (220, 85092), (231, 81040), (240, 78001), (264, 70910), (280, 66858), (308, 60780), (330, 56728), (336, 55715), (385, 48624), (420, 44572), (440, 42546), (462, 40520), (528, 35455), (560, 33429), (616, 30390), (660, 28364), (770, 24312), (840, 22286), (880, 21273), (924, 20260), (1013, 18480), (1155, 16208), (1232, 15195), (1320, 14182), (1540, 12156), (1680, 11143), (1848, 10130), (2026, 9240), (2310, 8104), (2640, 7091), (3039, 6160), (3080, 6078), (3696, 5065), (4052, 4620)]