87278800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 180

約数和(自身を含む): 251316876

約数和(自身を除く): 164038076

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 61, 70, 73, 80, 98, 100, 112, 122, 140, 146, 175, 196, 200, 244, 245, 280, 292, 305, 350, 365, 392, 400, 427, 488, 490, 511, 560, 584, 610, 700, 730, 784, 854, 976, 980, 1022, 1168, 1220, 1225, 1400, 1460, 1525, 1708, 1825, 1960, 2044, 2135, 2440, 2450, 2555, 2800, 2920, 2989, 3050, 3416, 3577, 3650, 3920, 4088, 4270, 4453, 4880, 4900, 5110, 5840, 5978, 6100, 6832, 7154, 7300, 8176, 8540, 8906, 9800, 10220, 10675, 11956, 12200, 12775, 14308, 14600, 14945, 17080, 17812, 17885, 19600, 20440, 21350, 22265, 23912, 24400, 25550, 28616, 29200, 29890, 31171, 34160, 35624, 35770, 40880, 42700, 44530, 47824, 51100, 57232, 59780, 62342, 71248, 71540, 74725, 85400, 89060, 89425, 102200, 111325, 119560, 124684, 143080, 149450, 155855, 170800, 178120, 178850, 204400, 218197, 222650, 239120, 249368, 286160, 298900, 311710, 356240, 357700, 436394, 445300, 498736, 597800, 623420, 715400, 779275, 872788, 890600, 1090985, 1195600, 1246840, 1430800, 1558550, 1745576, 1781200, 2181970, 2493680, 3117100, 3491152, 4363940, 5454925, 6234200, 8727880, 10909850, 12468400, 17455760, 21819700, 43639400, 87278800]

約数ペア:

[(1, 87278800), (2, 43639400), (4, 21819700), (5, 17455760), (7, 12468400), (8, 10909850), (10, 8727880), (14, 6234200), (16, 5454925), (20, 4363940), (25, 3491152), (28, 3117100), (35, 2493680), (40, 2181970), (49, 1781200), (50, 1745576), (56, 1558550), (61, 1430800), (70, 1246840), (73, 1195600), (80, 1090985), (98, 890600), (100, 872788), (112, 779275), (122, 715400), (140, 623420), (146, 597800), (175, 498736), (196, 445300), (200, 436394), (244, 357700), (245, 356240), (280, 311710), (292, 298900), (305, 286160), (350, 249368), (365, 239120), (392, 222650), (400, 218197), (427, 204400), (488, 178850), (490, 178120), (511, 170800), (560, 155855), (584, 149450), (610, 143080), (700, 124684), (730, 119560), (784, 111325), (854, 102200), (976, 89425), (980, 89060), (1022, 85400), (1168, 74725), (1220, 71540), (1225, 71248), (1400, 62342), (1460, 59780), (1525, 57232), (1708, 51100), (1825, 47824), (1960, 44530), (2044, 42700), (2135, 40880), (2440, 35770), (2450, 35624), (2555, 34160), (2800, 31171), (2920, 29890), (2989, 29200), (3050, 28616), (3416, 25550), (3577, 24400), (3650, 23912), (3920, 22265), (4088, 21350), (4270, 20440), (4453, 19600), (4880, 17885), (4900, 17812), (5110, 17080), (5840, 14945), (5978, 14600), (6100, 14308), (6832, 12775), (7154, 12200), (7300, 11956), (8176, 10675), (8540, 10220), (8906, 9800)]