80697840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 262483200

約数和(自身を除く): 181785360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 59, 60, 80, 82, 118, 120, 123, 139, 164, 177, 205, 236, 240, 246, 278, 295, 328, 354, 410, 417, 472, 492, 556, 590, 615, 656, 695, 708, 820, 834, 885, 944, 984, 1112, 1180, 1230, 1390, 1416, 1640, 1668, 1770, 1968, 2085, 2224, 2360, 2419, 2460, 2780, 2832, 3280, 3336, 3540, 4170, 4720, 4838, 4920, 5560, 5699, 6672, 7080, 7257, 8201, 8340, 9676, 9840, 11120, 11398, 12095, 14160, 14514, 16402, 16680, 17097, 19352, 22796, 24190, 24603, 28495, 29028, 32804, 33360, 34194, 36285, 38704, 41005, 45592, 48380, 49206, 56990, 58056, 65608, 68388, 72570, 82010, 85485, 91184, 96760, 98412, 113980, 116112, 123015, 131216, 136776, 145140, 164020, 170970, 193520, 196824, 227960, 246030, 273552, 290280, 328040, 336241, 341940, 393648, 455920, 492060, 580560, 656080, 672482, 683880, 984120, 1008723, 1344964, 1367760, 1681205, 1968240, 2017446, 2689928, 3362410, 4034892, 5043615, 5379856, 6724820, 8069784, 10087230, 13449640, 16139568, 20174460, 26899280, 40348920, 80697840]

約数ペア:

[(1, 80697840), (2, 40348920), (3, 26899280), (4, 20174460), (5, 16139568), (6, 13449640), (8, 10087230), (10, 8069784), (12, 6724820), (15, 5379856), (16, 5043615), (20, 4034892), (24, 3362410), (30, 2689928), (40, 2017446), (41, 1968240), (48, 1681205), (59, 1367760), (60, 1344964), (80, 1008723), (82, 984120), (118, 683880), (120, 672482), (123, 656080), (139, 580560), (164, 492060), (177, 455920), (205, 393648), (236, 341940), (240, 336241), (246, 328040), (278, 290280), (295, 273552), (328, 246030), (354, 227960), (410, 196824), (417, 193520), (472, 170970), (492, 164020), (556, 145140), (590, 136776), (615, 131216), (656, 123015), (695, 116112), (708, 113980), (820, 98412), (834, 96760), (885, 91184), (944, 85485), (984, 82010), (1112, 72570), (1180, 68388), (1230, 65608), (1390, 58056), (1416, 56990), (1640, 49206), (1668, 48380), (1770, 45592), (1968, 41005), (2085, 38704), (2224, 36285), (2360, 34194), (2419, 33360), (2460, 32804), (2780, 29028), (2832, 28495), (3280, 24603), (3336, 24190), (3540, 22796), (4170, 19352), (4720, 17097), (4838, 16680), (4920, 16402), (5560, 14514), (5699, 14160), (6672, 12095), (7080, 11398), (7257, 11120), (8201, 9840), (8340, 9676)]