100220120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2545

約数の個数: 128

約数和(自身を含む): 302883840

約数和(自身を除く): 202663720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2503, 2860, 3080, 3640, 4004, 5005, 5006, 5720, 8008, 10010, 10012, 12515, 17521, 20020, 20024, 25030, 27533, 32539, 35042, 40040, 50060, 55066, 65078, 70084, 87605, 100120, 110132, 130156, 137665, 140168, 162695, 175210, 192731, 220264, 227773, 260312, 275330, 325390, 350420, 357929, 385462, 455546, 550660, 650780, 700840, 715858, 770924, 911092, 963655, 1101320, 1138865, 1301560, 1431716, 1541848, 1789645, 1822184, 1927310, 2277730, 2505503, 2863432, 3579290, 3854620, 4555460, 5011006, 7158580, 7709240, 9110920, 10022012, 12527515, 14317160, 20044024, 25055030, 50110060, 100220120]

約数ペア:

[(1, 100220120), (2, 50110060), (4, 25055030), (5, 20044024), (7, 14317160), (8, 12527515), (10, 10022012), (11, 9110920), (13, 7709240), (14, 7158580), (20, 5011006), (22, 4555460), (26, 3854620), (28, 3579290), (35, 2863432), (40, 2505503), (44, 2277730), (52, 1927310), (55, 1822184), (56, 1789645), (65, 1541848), (70, 1431716), (77, 1301560), (88, 1138865), (91, 1101320), (104, 963655), (110, 911092), (130, 770924), (140, 715858), (143, 700840), (154, 650780), (182, 550660), (220, 455546), (260, 385462), (280, 357929), (286, 350420), (308, 325390), (364, 275330), (385, 260312), (440, 227773), (455, 220264), (520, 192731), (572, 175210), (616, 162695), (715, 140168), (728, 137665), (770, 130156), (910, 110132), (1001, 100120), (1144, 87605), (1430, 70084), (1540, 65078), (1820, 55066), (2002, 50060), (2503, 40040), (2860, 35042), (3080, 32539), (3640, 27533), (4004, 25030), (5005, 20024), (5006, 20020), (5720, 17521), (8008, 12515), (10010, 10012)]