16641720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:850

約数の個数: 128

約数和(自身を含む): 58464000

約数和(自身を除く): 41822280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 811, 855, 1026, 1080, 1140, 1368, 1622, 1710, 2052, 2280, 2433, 2565, 3244, 3420, 4055, 4104, 4866, 5130, 6488, 6840, 7299, 8110, 9732, 10260, 12165, 14598, 15409, 16220, 19464, 20520, 21897, 24330, 29196, 30818, 32440, 36495, 43794, 46227, 48660, 58392, 61636, 72990, 77045, 87588, 92454, 97320, 109485, 123272, 138681, 145980, 154090, 175176, 184908, 218970, 231135, 277362, 291960, 308180, 369816, 416043, 437940, 462270, 554724, 616360, 693405, 832086, 875880, 924540, 1109448, 1386810, 1664172, 1849080, 2080215, 2773620, 3328344, 4160430, 5547240, 8320860, 16641720]

約数ペア:

[(1, 16641720), (2, 8320860), (3, 5547240), (4, 4160430), (5, 3328344), (6, 2773620), (8, 2080215), (9, 1849080), (10, 1664172), (12, 1386810), (15, 1109448), (18, 924540), (19, 875880), (20, 832086), (24, 693405), (27, 616360), (30, 554724), (36, 462270), (38, 437940), (40, 416043), (45, 369816), (54, 308180), (57, 291960), (60, 277362), (72, 231135), (76, 218970), (90, 184908), (95, 175176), (108, 154090), (114, 145980), (120, 138681), (135, 123272), (152, 109485), (171, 97320), (180, 92454), (190, 87588), (216, 77045), (228, 72990), (270, 61636), (285, 58392), (342, 48660), (360, 46227), (380, 43794), (456, 36495), (513, 32440), (540, 30818), (570, 29196), (684, 24330), (760, 21897), (811, 20520), (855, 19464), (1026, 16220), (1080, 15409), (1140, 14598), (1368, 12165), (1622, 10260), (1710, 9732), (2052, 8110), (2280, 7299), (2433, 6840), (2565, 6488), (3244, 5130), (3420, 4866), (4055, 4104)]