487940880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{290441}}^1$

素因数の和:290464

約数の個数: 80

約数和(自身を含む): 1728710784

約数和(自身を除く): 1240769904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 290441, 580882, 871323, 1161764, 1452205, 1742646, 2033087, 2323528, 2904410, 3485292, 4066174, 4356615, 4647056, 5808820, 6099261, 6970584, 8132348, 8713230, 10165435, 11617640, 12198522, 13941168, 16264696, 17426460, 20330870, 23235280, 24397044, 30496305, 32529392, 34852920, 40661740, 48794088, 60992610, 69705840, 81323480, 97588176, 121985220, 162646960, 243970440, 487940880]

約数ペア:

[(1, 487940880), (2, 243970440), (3, 162646960), (4, 121985220), (5, 97588176), (6, 81323480), (7, 69705840), (8, 60992610), (10, 48794088), (12, 40661740), (14, 34852920), (15, 32529392), (16, 30496305), (20, 24397044), (21, 23235280), (24, 20330870), (28, 17426460), (30, 16264696), (35, 13941168), (40, 12198522), (42, 11617640), (48, 10165435), (56, 8713230), (60, 8132348), (70, 6970584), (80, 6099261), (84, 5808820), (105, 4647056), (112, 4356615), (120, 4066174), (140, 3485292), (168, 2904410), (210, 2323528), (240, 2033087), (280, 1742646), (336, 1452205), (420, 1161764), (560, 871323), (840, 580882), (1680, 290441)]