651217980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:668

約数の個数: 192

約数和(自身を含む): 2221793280

約数和(自身を除く): 1570575300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 223, 238, 255, 340, 357, 409, 420, 446, 476, 510, 595, 669, 714, 818, 892, 1020, 1115, 1190, 1227, 1338, 1428, 1561, 1636, 1785, 2045, 2230, 2380, 2454, 2676, 2863, 3122, 3345, 3570, 3791, 4090, 4460, 4683, 4908, 5726, 6135, 6244, 6690, 6953, 7140, 7582, 7805, 8180, 8589, 9366, 11373, 11452, 12270, 13380, 13906, 14315, 15164, 15610, 17178, 18732, 18955, 20859, 22746, 23415, 24540, 26537, 27812, 28630, 31220, 34356, 34765, 37910, 41718, 42945, 45492, 46830, 48671, 53074, 56865, 57260, 69530, 75820, 79611, 83436, 85890, 91207, 93660, 97342, 104295, 106148, 113730, 132685, 139060, 146013, 159222, 171780, 182414, 194684, 208590, 227460, 243355, 265370, 273621, 292026, 318444, 364828, 398055, 417180, 456035, 486710, 530740, 547242, 584052, 638449, 730065, 796110, 912070, 973420, 1094484, 1276898, 1368105, 1460130, 1550519, 1592220, 1824140, 1915347, 2553796, 2736210, 2920260, 3101038, 3192245, 3830694, 4651557, 5472420, 6202076, 6384490, 7661388, 7752595, 9303114, 9576735, 10853633, 12768980, 15505190, 18606228, 19153470, 21707266, 23257785, 31010380, 32560899, 38306940, 43414532, 46515570, 54268165, 65121798, 93031140, 108536330, 130243596, 162804495, 217072660, 325608990, 651217980]

約数ペア:

[(1, 651217980), (2, 325608990), (3, 217072660), (4, 162804495), (5, 130243596), (6, 108536330), (7, 93031140), (10, 65121798), (12, 54268165), (14, 46515570), (15, 43414532), (17, 38306940), (20, 32560899), (21, 31010380), (28, 23257785), (30, 21707266), (34, 19153470), (35, 18606228), (42, 15505190), (51, 12768980), (60, 10853633), (68, 9576735), (70, 9303114), (84, 7752595), (85, 7661388), (102, 6384490), (105, 6202076), (119, 5472420), (140, 4651557), (170, 3830694), (204, 3192245), (210, 3101038), (223, 2920260), (238, 2736210), (255, 2553796), (340, 1915347), (357, 1824140), (409, 1592220), (420, 1550519), (446, 1460130), (476, 1368105), (510, 1276898), (595, 1094484), (669, 973420), (714, 912070), (818, 796110), (892, 730065), (1020, 638449), (1115, 584052), (1190, 547242), (1227, 530740), (1338, 486710), (1428, 456035), (1561, 417180), (1636, 398055), (1785, 364828), (2045, 318444), (2230, 292026), (2380, 273621), (2454, 265370), (2676, 243355), (2863, 227460), (3122, 208590), (3345, 194684), (3570, 182414), (3791, 171780), (4090, 159222), (4460, 146013), (4683, 139060), (4908, 132685), (5726, 113730), (6135, 106148), (6244, 104295), (6690, 97342), (6953, 93660), (7140, 91207), (7582, 85890), (7805, 83436), (8180, 79611), (8589, 75820), (9366, 69530), (11373, 57260), (11452, 56865), (12270, 53074), (13380, 48671), (13906, 46830), (14315, 45492), (15164, 42945), (15610, 41718), (17178, 37910), (18732, 34765), (18955, 34356), (20859, 31220), (22746, 28630), (23415, 27812), (24540, 26537)]