251535960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:858

約数の個数: 192

約数和(自身を含む): 893954880

約数和(自身を除く): 642418920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 71, 72, 78, 90, 104, 117, 120, 130, 142, 156, 180, 195, 213, 234, 260, 284, 312, 355, 360, 390, 426, 468, 520, 568, 585, 639, 710, 757, 780, 852, 923, 936, 1065, 1170, 1278, 1420, 1514, 1560, 1704, 1846, 2130, 2271, 2340, 2556, 2769, 2840, 3028, 3195, 3692, 3785, 4260, 4542, 4615, 4680, 5112, 5538, 6056, 6390, 6813, 7384, 7570, 8307, 8520, 9084, 9230, 9841, 11076, 11355, 12780, 13626, 13845, 15140, 16614, 18168, 18460, 19682, 22152, 22710, 25560, 27252, 27690, 29523, 30280, 33228, 34065, 36920, 39364, 41535, 45420, 49205, 53747, 54504, 55380, 59046, 66456, 68130, 78728, 83070, 88569, 90840, 98410, 107494, 110760, 118092, 136260, 147615, 161241, 166140, 177138, 196820, 214988, 236184, 268735, 272520, 295230, 322482, 332280, 354276, 393640, 429976, 442845, 483723, 537470, 590460, 644964, 698711, 708552, 806205, 885690, 967446, 1074940, 1180920, 1289928, 1397422, 1612410, 1771380, 1934892, 2096133, 2149880, 2418615, 2794844, 3224820, 3493555, 3542760, 3869784, 4192266, 4837230, 5589688, 6288399, 6449640, 6987110, 8384532, 9674460, 10480665, 12576798, 13974220, 16769064, 19348920, 20961330, 25153596, 27948440, 31441995, 41922660, 50307192, 62883990, 83845320, 125767980, 251535960]

約数ペア:

[(1, 251535960), (2, 125767980), (3, 83845320), (4, 62883990), (5, 50307192), (6, 41922660), (8, 31441995), (9, 27948440), (10, 25153596), (12, 20961330), (13, 19348920), (15, 16769064), (18, 13974220), (20, 12576798), (24, 10480665), (26, 9674460), (30, 8384532), (36, 6987110), (39, 6449640), (40, 6288399), (45, 5589688), (52, 4837230), (60, 4192266), (65, 3869784), (71, 3542760), (72, 3493555), (78, 3224820), (90, 2794844), (104, 2418615), (117, 2149880), (120, 2096133), (130, 1934892), (142, 1771380), (156, 1612410), (180, 1397422), (195, 1289928), (213, 1180920), (234, 1074940), (260, 967446), (284, 885690), (312, 806205), (355, 708552), (360, 698711), (390, 644964), (426, 590460), (468, 537470), (520, 483723), (568, 442845), (585, 429976), (639, 393640), (710, 354276), (757, 332280), (780, 322482), (852, 295230), (923, 272520), (936, 268735), (1065, 236184), (1170, 214988), (1278, 196820), (1420, 177138), (1514, 166140), (1560, 161241), (1704, 147615), (1846, 136260), (2130, 118092), (2271, 110760), (2340, 107494), (2556, 98410), (2769, 90840), (2840, 88569), (3028, 83070), (3195, 78728), (3692, 68130), (3785, 66456), (4260, 59046), (4542, 55380), (4615, 54504), (4680, 53747), (5112, 49205), (5538, 45420), (6056, 41535), (6390, 39364), (6813, 36920), (7384, 34065), (7570, 33228), (8307, 30280), (8520, 29523), (9084, 27690), (9230, 27252), (9841, 25560), (11076, 22710), (11355, 22152), (12780, 19682), (13626, 18460), (13845, 18168), (15140, 16614)]