178399260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 240

約数和(自身を含む): 619841376

約数和(自身を除く): 441442116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 78, 81, 86, 90, 108, 117, 129, 130, 135, 156, 162, 172, 180, 195, 197, 215, 234, 258, 260, 270, 324, 351, 387, 390, 394, 405, 430, 468, 516, 540, 559, 585, 591, 645, 702, 774, 780, 788, 810, 860, 985, 1053, 1118, 1161, 1170, 1182, 1290, 1404, 1548, 1620, 1677, 1755, 1773, 1935, 1970, 2106, 2236, 2322, 2340, 2364, 2561, 2580, 2795, 2955, 3354, 3483, 3510, 3546, 3870, 3940, 4212, 4644, 5031, 5122, 5265, 5319, 5590, 5805, 5910, 6708, 6966, 7020, 7092, 7683, 7740, 8385, 8471, 8865, 10062, 10244, 10530, 10638, 11180, 11610, 11820, 12805, 13932, 15093, 15366, 15957, 16770, 16942, 17415, 17730, 20124, 21060, 21276, 23049, 23220, 25155, 25413, 25610, 26595, 30186, 30732, 31914, 33540, 33884, 34830, 35460, 38415, 42355, 45279, 46098, 50310, 50826, 51220, 53190, 60372, 63828, 69147, 69660, 75465, 76239, 76830, 79785, 84710, 90558, 92196, 100620, 101652, 106380, 110123, 115245, 127065, 138294, 150930, 152478, 153660, 159570, 169420, 181116, 207441, 220246, 226395, 228717, 230490, 254130, 276588, 301860, 304956, 319140, 330369, 345735, 381195, 414882, 440492, 452790, 457434, 460980, 508260, 550615, 660738, 686151, 691470, 762390, 829764, 905580, 914868, 991107, 1037205, 1101230, 1143585, 1321476, 1372302, 1382940, 1524780, 1651845, 1982214, 2074410, 2202460, 2287170, 2744604, 2973321, 3303690, 3430755, 3964428, 4148820, 4574340, 4955535, 5946642, 6607380, 6861510, 8919963, 9911070, 11893284, 13723020, 14866605, 17839926, 19822140, 29733210, 35679852, 44599815, 59466420, 89199630, 178399260]

約数ペア:

[(1, 178399260), (2, 89199630), (3, 59466420), (4, 44599815), (5, 35679852), (6, 29733210), (9, 19822140), (10, 17839926), (12, 14866605), (13, 13723020), (15, 11893284), (18, 9911070), (20, 8919963), (26, 6861510), (27, 6607380), (30, 5946642), (36, 4955535), (39, 4574340), (43, 4148820), (45, 3964428), (52, 3430755), (54, 3303690), (60, 2973321), (65, 2744604), (78, 2287170), (81, 2202460), (86, 2074410), (90, 1982214), (108, 1651845), (117, 1524780), (129, 1382940), (130, 1372302), (135, 1321476), (156, 1143585), (162, 1101230), (172, 1037205), (180, 991107), (195, 914868), (197, 905580), (215, 829764), (234, 762390), (258, 691470), (260, 686151), (270, 660738), (324, 550615), (351, 508260), (387, 460980), (390, 457434), (394, 452790), (405, 440492), (430, 414882), (468, 381195), (516, 345735), (540, 330369), (559, 319140), (585, 304956), (591, 301860), (645, 276588), (702, 254130), (774, 230490), (780, 228717), (788, 226395), (810, 220246), (860, 207441), (985, 181116), (1053, 169420), (1118, 159570), (1161, 153660), (1170, 152478), (1182, 150930), (1290, 138294), (1404, 127065), (1548, 115245), (1620, 110123), (1677, 106380), (1755, 101652), (1773, 100620), (1935, 92196), (1970, 90558), (2106, 84710), (2236, 79785), (2322, 76830), (2340, 76239), (2364, 75465), (2561, 69660), (2580, 69147), (2795, 63828), (2955, 60372), (3354, 53190), (3483, 51220), (3510, 50826), (3546, 50310), (3870, 46098), (3940, 45279), (4212, 42355), (4644, 38415), (5031, 35460), (5122, 34830), (5265, 33884), (5319, 33540), (5590, 31914), (5805, 30732), (5910, 30186), (6708, 26595), (6966, 25610), (7020, 25413), (7092, 25155), (7683, 23220), (7740, 23049), (8385, 21276), (8471, 21060), (8865, 20124), (10062, 17730), (10244, 17415), (10530, 16942), (10638, 16770), (11180, 15957), (11610, 15366), (11820, 15093), (12805, 13932)]