15691210120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{1447}}^1$

素因数の和:1943

約数の個数: 128

約数和(自身を含む): 38507996160

約数和(自身を除く): 22816786040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 431, 629, 680, 740, 862, 1258, 1447, 1480, 1724, 2155, 2516, 2894, 3145, 3448, 4310, 5032, 5788, 6290, 7235, 7327, 8620, 11576, 12580, 14470, 14654, 15947, 17240, 24599, 25160, 28940, 29308, 31894, 36635, 49198, 53539, 57880, 58616, 63788, 73270, 79735, 98396, 107078, 122995, 127576, 146540, 159470, 196792, 214156, 245990, 267695, 271099, 293080, 318940, 428312, 491980, 535390, 542198, 623657, 637880, 910163, 983960, 1070780, 1084396, 1247314, 1355495, 1820326, 2141560, 2168792, 2494628, 2710990, 3118285, 3640652, 4550815, 4989256, 5421980, 6236570, 7281304, 9101630, 10602169, 10843960, 12473140, 18203260, 21204338, 23075309, 24946280, 36406520, 42408676, 46150618, 53010845, 84817352, 92301236, 106021690, 115376545, 184602472, 212043380, 230753090, 392280253, 424086760, 461506180, 784560506, 923012360, 1569121012, 1961401265, 3138242024, 3922802530, 7845605060, 15691210120]

約数ペア:

[(1, 15691210120), (2, 7845605060), (4, 3922802530), (5, 3138242024), (8, 1961401265), (10, 1569121012), (17, 923012360), (20, 784560506), (34, 461506180), (37, 424086760), (40, 392280253), (68, 230753090), (74, 212043380), (85, 184602472), (136, 115376545), (148, 106021690), (170, 92301236), (185, 84817352), (296, 53010845), (340, 46150618), (370, 42408676), (431, 36406520), (629, 24946280), (680, 23075309), (740, 21204338), (862, 18203260), (1258, 12473140), (1447, 10843960), (1480, 10602169), (1724, 9101630), (2155, 7281304), (2516, 6236570), (2894, 5421980), (3145, 4989256), (3448, 4550815), (4310, 3640652), (5032, 3118285), (5788, 2710990), (6290, 2494628), (7235, 2168792), (7327, 2141560), (8620, 1820326), (11576, 1355495), (12580, 1247314), (14470, 1084396), (14654, 1070780), (15947, 983960), (17240, 910163), (24599, 637880), (25160, 623657), (28940, 542198), (29308, 535390), (31894, 491980), (36635, 428312), (49198, 318940), (53539, 293080), (57880, 271099), (58616, 267695), (63788, 245990), (73270, 214156), (79735, 196792), (98396, 159470), (107078, 146540), (122995, 127576)]