155377980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 506217600

約数和(自身を除く): 350839620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 61, 89, 90, 106, 108, 122, 135, 159, 178, 180, 183, 212, 244, 265, 267, 270, 305, 318, 356, 366, 445, 477, 530, 534, 540, 549, 610, 636, 732, 795, 801, 890, 915, 954, 1060, 1068, 1098, 1220, 1335, 1431, 1590, 1602, 1647, 1780, 1830, 1908, 2196, 2385, 2403, 2670, 2745, 2862, 3180, 3204, 3233, 3294, 3660, 4005, 4717, 4770, 4806, 5340, 5429, 5490, 5724, 6466, 6588, 7155, 8010, 8235, 9434, 9540, 9612, 9699, 10858, 10980, 12015, 12932, 14151, 14310, 16020, 16165, 16287, 16470, 18868, 19398, 21716, 23585, 24030, 27145, 28302, 28620, 29097, 32330, 32574, 32940, 38796, 42453, 47170, 48060, 48495, 48861, 54290, 56604, 58194, 64660, 65148, 70755, 81435, 84906, 87291, 94340, 96990, 97722, 108580, 116388, 127359, 141510, 145485, 146583, 162870, 169812, 174582, 193980, 195444, 212265, 244305, 254718, 283020, 287737, 290970, 293166, 325740, 349164, 424530, 436455, 488610, 509436, 575474, 581940, 586332, 636795, 732915, 849060, 863211, 872910, 977220, 1150948, 1273590, 1438685, 1465830, 1726422, 1745820, 2547180, 2589633, 2877370, 2931660, 3452844, 4316055, 5179266, 5754740, 7768899, 8632110, 10358532, 12948165, 15537798, 17264220, 25896330, 31075596, 38844495, 51792660, 77688990, 155377980]

約数ペア:

[(1, 155377980), (2, 77688990), (3, 51792660), (4, 38844495), (5, 31075596), (6, 25896330), (9, 17264220), (10, 15537798), (12, 12948165), (15, 10358532), (18, 8632110), (20, 7768899), (27, 5754740), (30, 5179266), (36, 4316055), (45, 3452844), (53, 2931660), (54, 2877370), (60, 2589633), (61, 2547180), (89, 1745820), (90, 1726422), (106, 1465830), (108, 1438685), (122, 1273590), (135, 1150948), (159, 977220), (178, 872910), (180, 863211), (183, 849060), (212, 732915), (244, 636795), (265, 586332), (267, 581940), (270, 575474), (305, 509436), (318, 488610), (356, 436455), (366, 424530), (445, 349164), (477, 325740), (530, 293166), (534, 290970), (540, 287737), (549, 283020), (610, 254718), (636, 244305), (732, 212265), (795, 195444), (801, 193980), (890, 174582), (915, 169812), (954, 162870), (1060, 146583), (1068, 145485), (1098, 141510), (1220, 127359), (1335, 116388), (1431, 108580), (1590, 97722), (1602, 96990), (1647, 94340), (1780, 87291), (1830, 84906), (1908, 81435), (2196, 70755), (2385, 65148), (2403, 64660), (2670, 58194), (2745, 56604), (2862, 54290), (3180, 48861), (3204, 48495), (3233, 48060), (3294, 47170), (3660, 42453), (4005, 38796), (4717, 32940), (4770, 32574), (4806, 32330), (5340, 29097), (5429, 28620), (5490, 28302), (5724, 27145), (6466, 24030), (6588, 23585), (7155, 21716), (8010, 19398), (8235, 18868), (9434, 16470), (9540, 16287), (9612, 16165), (9699, 16020), (10858, 14310), (10980, 14151), (12015, 12932)]