64941660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 216

約数和(自身を含む): 236527200

約数和(自身を除く): 171585540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 199, 210, 222, 245, 252, 259, 294, 315, 333, 370, 398, 420, 441, 444, 490, 518, 555, 588, 597, 630, 666, 735, 740, 777, 796, 882, 980, 995, 1036, 1110, 1194, 1260, 1295, 1332, 1393, 1470, 1554, 1665, 1764, 1791, 1813, 1990, 2205, 2220, 2331, 2388, 2590, 2786, 2940, 2985, 3108, 3330, 3582, 3626, 3885, 3980, 4179, 4410, 4662, 5180, 5439, 5572, 5970, 6660, 6965, 7164, 7252, 7363, 7770, 8358, 8820, 8955, 9065, 9324, 9751, 10878, 11655, 11940, 12537, 13930, 14726, 15540, 16317, 16716, 17910, 18130, 19502, 20895, 21756, 22089, 23310, 25074, 27195, 27860, 29253, 29452, 32634, 35820, 36260, 36815, 39004, 41790, 44178, 46620, 48755, 50148, 51541, 54390, 58506, 62685, 65268, 66267, 73630, 81585, 83580, 87759, 88356, 97510, 103082, 108780, 110445, 117012, 125370, 132534, 146265, 147260, 154623, 163170, 175518, 195020, 206164, 220890, 250740, 257705, 265068, 292530, 309246, 326340, 331335, 351036, 360787, 438795, 441780, 463869, 515410, 585060, 618492, 662670, 721574, 773115, 877590, 927738, 1030820, 1082361, 1325340, 1443148, 1546230, 1755180, 1803935, 1855476, 2164722, 2319345, 3092460, 3247083, 3607870, 4329444, 4638690, 5411805, 6494166, 7215740, 9277380, 10823610, 12988332, 16235415, 21647220, 32470830, 64941660]

約数ペア:

[(1, 64941660), (2, 32470830), (3, 21647220), (4, 16235415), (5, 12988332), (6, 10823610), (7, 9277380), (9, 7215740), (10, 6494166), (12, 5411805), (14, 4638690), (15, 4329444), (18, 3607870), (20, 3247083), (21, 3092460), (28, 2319345), (30, 2164722), (35, 1855476), (36, 1803935), (37, 1755180), (42, 1546230), (45, 1443148), (49, 1325340), (60, 1082361), (63, 1030820), (70, 927738), (74, 877590), (84, 773115), (90, 721574), (98, 662670), (105, 618492), (111, 585060), (126, 515410), (140, 463869), (147, 441780), (148, 438795), (180, 360787), (185, 351036), (196, 331335), (199, 326340), (210, 309246), (222, 292530), (245, 265068), (252, 257705), (259, 250740), (294, 220890), (315, 206164), (333, 195020), (370, 175518), (398, 163170), (420, 154623), (441, 147260), (444, 146265), (490, 132534), (518, 125370), (555, 117012), (588, 110445), (597, 108780), (630, 103082), (666, 97510), (735, 88356), (740, 87759), (777, 83580), (796, 81585), (882, 73630), (980, 66267), (995, 65268), (1036, 62685), (1110, 58506), (1194, 54390), (1260, 51541), (1295, 50148), (1332, 48755), (1393, 46620), (1470, 44178), (1554, 41790), (1665, 39004), (1764, 36815), (1791, 36260), (1813, 35820), (1990, 32634), (2205, 29452), (2220, 29253), (2331, 27860), (2388, 27195), (2590, 25074), (2786, 23310), (2940, 22089), (2985, 21756), (3108, 20895), (3330, 19502), (3582, 18130), (3626, 17910), (3885, 16716), (3980, 16317), (4179, 15540), (4410, 14726), (4662, 13930), (5180, 12537), (5439, 11940), (5572, 11655), (5970, 10878), (6660, 9751), (6965, 9324), (7164, 9065), (7252, 8955), (7363, 8820), (7770, 8358)]