17220420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 60802560

約数和(自身を除く): 43582140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 173, 180, 210, 237, 252, 315, 316, 346, 395, 420, 474, 519, 553, 630, 692, 711, 790, 865, 948, 1038, 1106, 1185, 1211, 1260, 1422, 1557, 1580, 1659, 1730, 2076, 2212, 2370, 2422, 2595, 2765, 2844, 3114, 3318, 3460, 3555, 3633, 4740, 4844, 4977, 5190, 5530, 6055, 6228, 6636, 7110, 7266, 7785, 8295, 9954, 10380, 10899, 11060, 12110, 13667, 14220, 14532, 15570, 16590, 18165, 19908, 21798, 24220, 24885, 27334, 31140, 33180, 36330, 41001, 43596, 49770, 54495, 54668, 68335, 72660, 82002, 95669, 99540, 108990, 123003, 136670, 164004, 191338, 205005, 217980, 246006, 273340, 287007, 382676, 410010, 478345, 492012, 574014, 615015, 820020, 861021, 956690, 1148028, 1230030, 1435035, 1722042, 1913380, 2460060, 2870070, 3444084, 4305105, 5740140, 8610210, 17220420]

約数ペア:

[(1, 17220420), (2, 8610210), (3, 5740140), (4, 4305105), (5, 3444084), (6, 2870070), (7, 2460060), (9, 1913380), (10, 1722042), (12, 1435035), (14, 1230030), (15, 1148028), (18, 956690), (20, 861021), (21, 820020), (28, 615015), (30, 574014), (35, 492012), (36, 478345), (42, 410010), (45, 382676), (60, 287007), (63, 273340), (70, 246006), (79, 217980), (84, 205005), (90, 191338), (105, 164004), (126, 136670), (140, 123003), (158, 108990), (173, 99540), (180, 95669), (210, 82002), (237, 72660), (252, 68335), (315, 54668), (316, 54495), (346, 49770), (395, 43596), (420, 41001), (474, 36330), (519, 33180), (553, 31140), (630, 27334), (692, 24885), (711, 24220), (790, 21798), (865, 19908), (948, 18165), (1038, 16590), (1106, 15570), (1185, 14532), (1211, 14220), (1260, 13667), (1422, 12110), (1557, 11060), (1580, 10899), (1659, 10380), (1730, 9954), (2076, 8295), (2212, 7785), (2370, 7266), (2422, 7110), (2595, 6636), (2765, 6228), (2844, 6055), (3114, 5530), (3318, 5190), (3460, 4977), (3555, 4844), (3633, 4740)]