405105840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9871}}^1$

素因数の和:9912

約数の個数: 160

約数和(自身を含む): 1468953600

約数和(自身を除く): 1063847760

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, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 9871, 10260, 13680, 19742, 20520, 29613, 39484, 41040, 49355, 59226, 78968, 88839, 98710, 118452, 148065, 157936, 177678, 187549, 197420, 236904, 266517, 296130, 355356, 375098, 394840, 444195, 473808, 533034, 562647, 592260, 710712, 750196, 789680, 888390, 937745, 1066068, 1125294, 1184520, 1332585, 1421424, 1500392, 1687941, 1776780, 1875490, 2132136, 2250588, 2369040, 2665170, 2813235, 3000784, 3375882, 3553560, 3750980, 4264272, 4501176, 5063823, 5330340, 5626470, 6751764, 7107120, 7501960, 8439705, 9002352, 10127646, 10660680, 11252940, 13503528, 15003920, 16879410, 20255292, 21321360, 22505880, 25319115, 27007056, 33758820, 40510584, 45011760, 50638230, 67517640, 81021168, 101276460, 135035280, 202552920, 405105840]

約数ペア:

[(1, 405105840), (2, 202552920), (3, 135035280), (4, 101276460), (5, 81021168), (6, 67517640), (8, 50638230), (9, 45011760), (10, 40510584), (12, 33758820), (15, 27007056), (16, 25319115), (18, 22505880), (19, 21321360), (20, 20255292), (24, 16879410), (27, 15003920), (30, 13503528), (36, 11252940), (38, 10660680), (40, 10127646), (45, 9002352), (48, 8439705), (54, 7501960), (57, 7107120), (60, 6751764), (72, 5626470), (76, 5330340), (80, 5063823), (90, 4501176), (95, 4264272), (108, 3750980), (114, 3553560), (120, 3375882), (135, 3000784), (144, 2813235), (152, 2665170), (171, 2369040), (180, 2250588), (190, 2132136), (216, 1875490), (228, 1776780), (240, 1687941), (270, 1500392), (285, 1421424), (304, 1332585), (342, 1184520), (360, 1125294), (380, 1066068), (432, 937745), (456, 888390), (513, 789680), (540, 750196), (570, 710712), (684, 592260), (720, 562647), (760, 533034), (855, 473808), (912, 444195), (1026, 394840), (1080, 375098), (1140, 355356), (1368, 296130), (1520, 266517), (1710, 236904), (2052, 197420), (2160, 187549), (2280, 177678), (2565, 157936), (2736, 148065), (3420, 118452), (4104, 98710), (4560, 88839), (5130, 78968), (6840, 59226), (8208, 49355), (9871, 41040), (10260, 39484), (13680, 29613), (19742, 20520)]