85821720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 266293440

約数和(自身を除く): 180471720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 97, 101, 120, 146, 194, 202, 219, 291, 292, 303, 365, 388, 404, 438, 485, 505, 582, 584, 606, 730, 776, 808, 876, 970, 1010, 1095, 1164, 1212, 1455, 1460, 1515, 1752, 1940, 2020, 2190, 2328, 2424, 2910, 2920, 3030, 3880, 4040, 4380, 5820, 6060, 7081, 7373, 8760, 9797, 11640, 12120, 14162, 14746, 19594, 21243, 22119, 28324, 29391, 29492, 35405, 36865, 39188, 42486, 44238, 48985, 56648, 58782, 58984, 70810, 73730, 78376, 84972, 88476, 97970, 106215, 110595, 117564, 141620, 146955, 147460, 169944, 176952, 195940, 212430, 221190, 235128, 283240, 293910, 294920, 391880, 424860, 442380, 587820, 715181, 849720, 884760, 1175640, 1430362, 2145543, 2860724, 3575905, 4291086, 5721448, 7151810, 8582172, 10727715, 14303620, 17164344, 21455430, 28607240, 42910860, 85821720]

約数ペア:

[(1, 85821720), (2, 42910860), (3, 28607240), (4, 21455430), (5, 17164344), (6, 14303620), (8, 10727715), (10, 8582172), (12, 7151810), (15, 5721448), (20, 4291086), (24, 3575905), (30, 2860724), (40, 2145543), (60, 1430362), (73, 1175640), (97, 884760), (101, 849720), (120, 715181), (146, 587820), (194, 442380), (202, 424860), (219, 391880), (291, 294920), (292, 293910), (303, 283240), (365, 235128), (388, 221190), (404, 212430), (438, 195940), (485, 176952), (505, 169944), (582, 147460), (584, 146955), (606, 141620), (730, 117564), (776, 110595), (808, 106215), (876, 97970), (970, 88476), (1010, 84972), (1095, 78376), (1164, 73730), (1212, 70810), (1455, 58984), (1460, 58782), (1515, 56648), (1752, 48985), (1940, 44238), (2020, 42486), (2190, 39188), (2328, 36865), (2424, 35405), (2910, 29492), (2920, 29391), (3030, 28324), (3880, 22119), (4040, 21243), (4380, 19594), (5820, 14746), (6060, 14162), (7081, 12120), (7373, 11640), (8760, 9797)]