261503520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 192

約数和(自身を含む): 886152960

約数和(自身を除く): 624649440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 73, 80, 85, 96, 102, 120, 136, 146, 160, 170, 204, 219, 240, 255, 272, 292, 340, 365, 408, 438, 439, 480, 510, 544, 584, 680, 730, 816, 876, 878, 1020, 1095, 1168, 1241, 1317, 1360, 1460, 1632, 1752, 1756, 2040, 2190, 2195, 2336, 2482, 2634, 2720, 2920, 3504, 3512, 3723, 4080, 4380, 4390, 4964, 5268, 5840, 6205, 6585, 7008, 7024, 7446, 7463, 8160, 8760, 8780, 9928, 10536, 11680, 12410, 13170, 14048, 14892, 14926, 17520, 17560, 18615, 19856, 21072, 22389, 24820, 26340, 29784, 29852, 32047, 35040, 35120, 37230, 37315, 39712, 42144, 44778, 49640, 52680, 59568, 59704, 64094, 70240, 74460, 74630, 89556, 96141, 99280, 105360, 111945, 119136, 119408, 128188, 148920, 149260, 160235, 179112, 192282, 198560, 210720, 223890, 238816, 256376, 297840, 298520, 320470, 358224, 384564, 447780, 480705, 512752, 544799, 595680, 597040, 640940, 716448, 769128, 895560, 961410, 1025504, 1089598, 1194080, 1281880, 1538256, 1634397, 1791120, 1922820, 2179196, 2563760, 2723995, 3076512, 3268794, 3582240, 3845640, 4358392, 5127520, 5447990, 6537588, 7691280, 8171985, 8716784, 10895980, 13075176, 15382560, 16343970, 17433568, 21791960, 26150352, 32687940, 43583920, 52300704, 65375880, 87167840, 130751760, 261503520]

約数ペア:

[(1, 261503520), (2, 130751760), (3, 87167840), (4, 65375880), (5, 52300704), (6, 43583920), (8, 32687940), (10, 26150352), (12, 21791960), (15, 17433568), (16, 16343970), (17, 15382560), (20, 13075176), (24, 10895980), (30, 8716784), (32, 8171985), (34, 7691280), (40, 6537588), (48, 5447990), (51, 5127520), (60, 4358392), (68, 3845640), (73, 3582240), (80, 3268794), (85, 3076512), (96, 2723995), (102, 2563760), (120, 2179196), (136, 1922820), (146, 1791120), (160, 1634397), (170, 1538256), (204, 1281880), (219, 1194080), (240, 1089598), (255, 1025504), (272, 961410), (292, 895560), (340, 769128), (365, 716448), (408, 640940), (438, 597040), (439, 595680), (480, 544799), (510, 512752), (544, 480705), (584, 447780), (680, 384564), (730, 358224), (816, 320470), (876, 298520), (878, 297840), (1020, 256376), (1095, 238816), (1168, 223890), (1241, 210720), (1317, 198560), (1360, 192282), (1460, 179112), (1632, 160235), (1752, 149260), (1756, 148920), (2040, 128188), (2190, 119408), (2195, 119136), (2336, 111945), (2482, 105360), (2634, 99280), (2720, 96141), (2920, 89556), (3504, 74630), (3512, 74460), (3723, 70240), (4080, 64094), (4380, 59704), (4390, 59568), (4964, 52680), (5268, 49640), (5840, 44778), (6205, 42144), (6585, 39712), (7008, 37315), (7024, 37230), (7446, 35120), (7463, 35040), (8160, 32047), (8760, 29852), (8780, 29784), (9928, 26340), (10536, 24820), (11680, 22389), (12410, 21072), (13170, 19856), (14048, 18615), (14892, 17560), (14926, 17520)]