30856280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 87696000

約数和(自身を除く): 56839720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 173, 182, 196, 245, 260, 280, 343, 346, 364, 392, 455, 490, 520, 637, 686, 692, 728, 865, 910, 980, 1211, 1274, 1372, 1384, 1715, 1730, 1820, 1960, 2249, 2422, 2548, 2744, 3185, 3430, 3460, 3640, 4459, 4498, 4844, 5096, 6055, 6370, 6860, 6920, 8477, 8918, 8996, 9688, 11245, 12110, 12740, 13720, 15743, 16954, 17836, 17992, 22295, 22490, 24220, 25480, 31486, 33908, 35672, 42385, 44590, 44980, 48440, 59339, 62972, 67816, 78715, 84770, 89180, 89960, 110201, 118678, 125944, 157430, 169540, 178360, 220402, 237356, 296695, 314860, 339080, 440804, 474712, 551005, 593390, 629720, 771407, 881608, 1102010, 1186780, 1542814, 2204020, 2373560, 3085628, 3857035, 4408040, 6171256, 7714070, 15428140, 30856280]

約数ペア:

[(1, 30856280), (2, 15428140), (4, 7714070), (5, 6171256), (7, 4408040), (8, 3857035), (10, 3085628), (13, 2373560), (14, 2204020), (20, 1542814), (26, 1186780), (28, 1102010), (35, 881608), (40, 771407), (49, 629720), (52, 593390), (56, 551005), (65, 474712), (70, 440804), (91, 339080), (98, 314860), (104, 296695), (130, 237356), (140, 220402), (173, 178360), (182, 169540), (196, 157430), (245, 125944), (260, 118678), (280, 110201), (343, 89960), (346, 89180), (364, 84770), (392, 78715), (455, 67816), (490, 62972), (520, 59339), (637, 48440), (686, 44980), (692, 44590), (728, 42385), (865, 35672), (910, 33908), (980, 31486), (1211, 25480), (1274, 24220), (1372, 22490), (1384, 22295), (1715, 17992), (1730, 17836), (1820, 16954), (1960, 15743), (2249, 13720), (2422, 12740), (2548, 12110), (2744, 11245), (3185, 9688), (3430, 8996), (3460, 8918), (3640, 8477), (4459, 6920), (4498, 6860), (4844, 6370), (5096, 6055)]