25978320

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 200

約数和(自身を含む): 95425440

約数和(自身を除く): 69447120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 211, 216, 228, 240, 270, 285, 304, 324, 342, 360, 380, 405, 422, 432, 456, 513, 540, 570, 633, 648, 684, 720, 760, 810, 844, 855, 912, 1026, 1055, 1080, 1140, 1266, 1296, 1368, 1520, 1539, 1620, 1688, 1710, 1899, 2052, 2110, 2160, 2280, 2532, 2565, 2736, 3078, 3165, 3240, 3376, 3420, 3798, 4009, 4104, 4220, 4560, 5064, 5130, 5697, 6156, 6330, 6480, 6840, 7596, 7695, 8018, 8208, 8440, 9495, 10128, 10260, 11394, 12027, 12312, 12660, 13680, 15192, 15390, 16036, 16880, 17091, 18990, 20045, 20520, 22788, 24054, 24624, 25320, 28485, 30384, 30780, 32072, 34182, 36081, 37980, 40090, 41040, 45576, 48108, 50640, 56970, 60135, 61560, 64144, 68364, 72162, 75960, 80180, 85455, 91152, 96216, 108243, 113940, 120270, 123120, 136728, 144324, 151920, 160360, 170910, 180405, 192432, 216486, 227880, 240540, 273456, 288648, 320720, 324729, 341820, 360810, 432972, 455760, 481080, 541215, 577296, 649458, 683640, 721620, 865944, 962160, 1082430, 1298916, 1367280, 1443240, 1623645, 1731888, 2164860, 2597832, 2886480, 3247290, 4329720, 5195664, 6494580, 8659440, 12989160, 25978320]

約数ペア:

[(1, 25978320), (2, 12989160), (3, 8659440), (4, 6494580), (5, 5195664), (6, 4329720), (8, 3247290), (9, 2886480), (10, 2597832), (12, 2164860), (15, 1731888), (16, 1623645), (18, 1443240), (19, 1367280), (20, 1298916), (24, 1082430), (27, 962160), (30, 865944), (36, 721620), (38, 683640), (40, 649458), (45, 577296), (48, 541215), (54, 481080), (57, 455760), (60, 432972), (72, 360810), (76, 341820), (80, 324729), (81, 320720), (90, 288648), (95, 273456), (108, 240540), (114, 227880), (120, 216486), (135, 192432), (144, 180405), (152, 170910), (162, 160360), (171, 151920), (180, 144324), (190, 136728), (211, 123120), (216, 120270), (228, 113940), (240, 108243), (270, 96216), (285, 91152), (304, 85455), (324, 80180), (342, 75960), (360, 72162), (380, 68364), (405, 64144), (422, 61560), (432, 60135), (456, 56970), (513, 50640), (540, 48108), (570, 45576), (633, 41040), (648, 40090), (684, 37980), (720, 36081), (760, 34182), (810, 32072), (844, 30780), (855, 30384), (912, 28485), (1026, 25320), (1055, 24624), (1080, 24054), (1140, 22788), (1266, 20520), (1296, 20045), (1368, 18990), (1520, 17091), (1539, 16880), (1620, 16036), (1688, 15390), (1710, 15192), (1899, 13680), (2052, 12660), (2110, 12312), (2160, 12027), (2280, 11394), (2532, 10260), (2565, 10128), (2736, 9495), (3078, 8440), (3165, 8208), (3240, 8018), (3376, 7695), (3420, 7596), (3798, 6840), (4009, 6480), (4104, 6330), (4220, 6156), (4560, 5697), (5064, 5130)]