153978280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2441}}^1$

素因数の和:2554

約数の個数: 64

約数和(自身を含む): 369230400

約数和(自身を除く): 215252120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1577, 1660, 2441, 3154, 3320, 4882, 6308, 7885, 9764, 12205, 12616, 15770, 19528, 24410, 31540, 46379, 48820, 63080, 92758, 97640, 185516, 202603, 231895, 371032, 405206, 463790, 810412, 927580, 1013015, 1620824, 1855160, 2026030, 3849457, 4052060, 7698914, 8104120, 15397828, 19247285, 30795656, 38494570, 76989140, 153978280]

約数ペア:

[(1, 153978280), (2, 76989140), (4, 38494570), (5, 30795656), (8, 19247285), (10, 15397828), (19, 8104120), (20, 7698914), (38, 4052060), (40, 3849457), (76, 2026030), (83, 1855160), (95, 1620824), (152, 1013015), (166, 927580), (190, 810412), (332, 463790), (380, 405206), (415, 371032), (664, 231895), (760, 202603), (830, 185516), (1577, 97640), (1660, 92758), (2441, 63080), (3154, 48820), (3320, 46379), (4882, 31540), (6308, 24410), (7885, 19528), (9764, 15770), (12205, 12616)]