505905660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1628

約数の個数: 144

約数和(自身を含む): 1664863200

約数和(自身を除く): 1158957540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 149, 156, 180, 195, 234, 260, 298, 390, 447, 468, 585, 596, 745, 780, 894, 1170, 1341, 1451, 1490, 1788, 1937, 2235, 2340, 2682, 2902, 2980, 3874, 4353, 4470, 5364, 5804, 5811, 6705, 7255, 7748, 8706, 8940, 9685, 11622, 13059, 13410, 14510, 17412, 17433, 18863, 19370, 21765, 23244, 26118, 26820, 29020, 29055, 34866, 37726, 38740, 43530, 52236, 56589, 58110, 65295, 69732, 75452, 87060, 87165, 94315, 113178, 116220, 130590, 169767, 174330, 188630, 216199, 226356, 261180, 282945, 339534, 348660, 377260, 432398, 565890, 648597, 679068, 848835, 864796, 1080995, 1131780, 1297194, 1697670, 1945791, 2161990, 2594388, 2810587, 3242985, 3395340, 3891582, 4323980, 5621174, 6485970, 7783164, 8431761, 9728955, 11242348, 12971940, 14052935, 16863522, 19457910, 25295283, 28105870, 33727044, 38915820, 42158805, 50590566, 56211740, 84317610, 101181132, 126476415, 168635220, 252952830, 505905660]

約数ペア:

[(1, 505905660), (2, 252952830), (3, 168635220), (4, 126476415), (5, 101181132), (6, 84317610), (9, 56211740), (10, 50590566), (12, 42158805), (13, 38915820), (15, 33727044), (18, 28105870), (20, 25295283), (26, 19457910), (30, 16863522), (36, 14052935), (39, 12971940), (45, 11242348), (52, 9728955), (60, 8431761), (65, 7783164), (78, 6485970), (90, 5621174), (117, 4323980), (130, 3891582), (149, 3395340), (156, 3242985), (180, 2810587), (195, 2594388), (234, 2161990), (260, 1945791), (298, 1697670), (390, 1297194), (447, 1131780), (468, 1080995), (585, 864796), (596, 848835), (745, 679068), (780, 648597), (894, 565890), (1170, 432398), (1341, 377260), (1451, 348660), (1490, 339534), (1788, 282945), (1937, 261180), (2235, 226356), (2340, 216199), (2682, 188630), (2902, 174330), (2980, 169767), (3874, 130590), (4353, 116220), (4470, 113178), (5364, 94315), (5804, 87165), (5811, 87060), (6705, 75452), (7255, 69732), (7748, 65295), (8706, 58110), (8940, 56589), (9685, 52236), (11622, 43530), (13059, 38740), (13410, 37726), (14510, 34866), (17412, 29055), (17433, 29020), (18863, 26820), (19370, 26118), (21765, 23244)]