1279649620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4723}}^1$

素因数の和:4805

約数の個数: 96

約数和(自身を含む): 3047546880

約数和(自身を除く): 1767897260

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 31, 38, 46, 62, 76, 92, 95, 115, 124, 155, 190, 230, 310, 380, 437, 460, 589, 620, 713, 874, 1178, 1426, 1748, 2185, 2356, 2852, 2945, 3565, 4370, 4723, 5890, 7130, 8740, 9446, 11780, 13547, 14260, 18892, 23615, 27094, 47230, 54188, 67735, 89737, 94460, 108629, 135470, 146413, 179474, 217258, 270940, 292826, 358948, 434516, 448685, 543145, 585652, 732065, 897370, 1086290, 1464130, 1794740, 2063951, 2172580, 2781847, 2928260, 3367499, 4127902, 5563694, 6734998, 8255804, 10319755, 11127388, 13469996, 13909235, 16837495, 20639510, 27818470, 33674990, 41279020, 55636940, 63982481, 67349980, 127964962, 255929924, 319912405, 639824810, 1279649620]

約数ペア:

[(1, 1279649620), (2, 639824810), (4, 319912405), (5, 255929924), (10, 127964962), (19, 67349980), (20, 63982481), (23, 55636940), (31, 41279020), (38, 33674990), (46, 27818470), (62, 20639510), (76, 16837495), (92, 13909235), (95, 13469996), (115, 11127388), (124, 10319755), (155, 8255804), (190, 6734998), (230, 5563694), (310, 4127902), (380, 3367499), (437, 2928260), (460, 2781847), (589, 2172580), (620, 2063951), (713, 1794740), (874, 1464130), (1178, 1086290), (1426, 897370), (1748, 732065), (2185, 585652), (2356, 543145), (2852, 448685), (2945, 434516), (3565, 358948), (4370, 292826), (4723, 270940), (5890, 217258), (7130, 179474), (8740, 146413), (9446, 135470), (11780, 108629), (13547, 94460), (14260, 89737), (18892, 67735), (23615, 54188), (27094, 47230)]