28509120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:563

約数の個数: 168

約数和(自身を含む): 103418640

約数和(自身を除く): 74909520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 456, 480, 521, 570, 576, 608, 684, 720, 760, 855, 912, 960, 1042, 1140, 1216, 1368, 1440, 1520, 1563, 1710, 1824, 2084, 2280, 2605, 2736, 2880, 3040, 3126, 3420, 3648, 4168, 4560, 4689, 5210, 5472, 6080, 6252, 6840, 7815, 8336, 9120, 9378, 9899, 10420, 10944, 12504, 13680, 15630, 16672, 18240, 18756, 19798, 20840, 23445, 25008, 27360, 29697, 31260, 33344, 37512, 39596, 41680, 46890, 49495, 50016, 54720, 59394, 62520, 75024, 79192, 83360, 89091, 93780, 98990, 100032, 118788, 125040, 148485, 150048, 158384, 166720, 178182, 187560, 197980, 237576, 250080, 296970, 300096, 316768, 356364, 375120, 395960, 445455, 475152, 500160, 593940, 633536, 712728, 750240, 791920, 890910, 950304, 1187880, 1425456, 1500480, 1583840, 1781820, 1900608, 2375760, 2850912, 3167680, 3563640, 4751520, 5701824, 7127280, 9503040, 14254560, 28509120]

約数ペア:

[(1, 28509120), (2, 14254560), (3, 9503040), (4, 7127280), (5, 5701824), (6, 4751520), (8, 3563640), (9, 3167680), (10, 2850912), (12, 2375760), (15, 1900608), (16, 1781820), (18, 1583840), (19, 1500480), (20, 1425456), (24, 1187880), (30, 950304), (32, 890910), (36, 791920), (38, 750240), (40, 712728), (45, 633536), (48, 593940), (57, 500160), (60, 475152), (64, 445455), (72, 395960), (76, 375120), (80, 356364), (90, 316768), (95, 300096), (96, 296970), (114, 250080), (120, 237576), (144, 197980), (152, 187560), (160, 178182), (171, 166720), (180, 158384), (190, 150048), (192, 148485), (228, 125040), (240, 118788), (285, 100032), (288, 98990), (304, 93780), (320, 89091), (342, 83360), (360, 79192), (380, 75024), (456, 62520), (480, 59394), (521, 54720), (570, 50016), (576, 49495), (608, 46890), (684, 41680), (720, 39596), (760, 37512), (855, 33344), (912, 31260), (960, 29697), (1042, 27360), (1140, 25008), (1216, 23445), (1368, 20840), (1440, 19798), (1520, 18756), (1563, 18240), (1710, 16672), (1824, 15630), (2084, 13680), (2280, 12504), (2605, 10944), (2736, 10420), (2880, 9899), (3040, 9378), (3126, 9120), (3420, 8336), (3648, 7815), (4168, 6840), (4560, 6252), (4689, 6080), (5210, 5472)]