28427040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1079

約数の個数: 144

約数和(自身を含む): 102211200

約数和(自身を除く): 73784160

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, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1039, 1140, 1368, 1440, 1520, 1710, 1824, 2078, 2280, 2736, 3040, 3117, 3420, 4156, 4560, 5195, 5472, 6234, 6840, 8312, 9120, 9351, 10390, 12468, 13680, 15585, 16624, 18702, 19741, 20780, 24936, 27360, 31170, 33248, 37404, 39482, 41560, 46755, 49872, 59223, 62340, 74808, 78964, 83120, 93510, 98705, 99744, 118446, 124680, 149616, 157928, 166240, 177669, 187020, 197410, 236892, 249360, 296115, 299232, 315856, 355338, 374040, 394820, 473784, 498720, 592230, 631712, 710676, 748080, 789640, 888345, 947568, 1184460, 1421352, 1496160, 1579280, 1776690, 1895136, 2368920, 2842704, 3158560, 3553380, 4737840, 5685408, 7106760, 9475680, 14213520, 28427040]

約数ペア:

[(1, 28427040), (2, 14213520), (3, 9475680), (4, 7106760), (5, 5685408), (6, 4737840), (8, 3553380), (9, 3158560), (10, 2842704), (12, 2368920), (15, 1895136), (16, 1776690), (18, 1579280), (19, 1496160), (20, 1421352), (24, 1184460), (30, 947568), (32, 888345), (36, 789640), (38, 748080), (40, 710676), (45, 631712), (48, 592230), (57, 498720), (60, 473784), (72, 394820), (76, 374040), (80, 355338), (90, 315856), (95, 299232), (96, 296115), (114, 249360), (120, 236892), (144, 197410), (152, 187020), (160, 177669), (171, 166240), (180, 157928), (190, 149616), (228, 124680), (240, 118446), (285, 99744), (288, 98705), (304, 93510), (342, 83120), (360, 78964), (380, 74808), (456, 62340), (480, 59223), (570, 49872), (608, 46755), (684, 41560), (720, 39482), (760, 37404), (855, 33248), (912, 31170), (1039, 27360), (1140, 24936), (1368, 20780), (1440, 19741), (1520, 18702), (1710, 16624), (1824, 15585), (2078, 13680), (2280, 12468), (2736, 10390), (3040, 9351), (3117, 9120), (3420, 8312), (4156, 6840), (4560, 6234), (5195, 5472)]