128940840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2736

約数の個数: 192

約数和(自身を含む): 504316800

約数和(自身を除く): 375375960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 2693, 3192, 3420, 3990, 4788, 5320, 5386, 5985, 6840, 7980, 8079, 9576, 10772, 11970, 13465, 15960, 16158, 18851, 21544, 23940, 24237, 26930, 32316, 37702, 40395, 47880, 48474, 51167, 53860, 56553, 64632, 75404, 80790, 94255, 96948, 102334, 107720, 113106, 121185, 150808, 153501, 161580, 169659, 188510, 193896, 204668, 226212, 242370, 255835, 282765, 307002, 323160, 339318, 358169, 377020, 409336, 452424, 460503, 484740, 511670, 565530, 614004, 678636, 716338, 754040, 767505, 848295, 921006, 969480, 1023340, 1074507, 1131060, 1228008, 1357272, 1432676, 1535010, 1696590, 1790845, 1842012, 2046680, 2149014, 2262120, 2302515, 2865352, 3070020, 3223521, 3393180, 3581690, 3684024, 4298028, 4605030, 5372535, 6140040, 6447042, 6786360, 7163380, 8596056, 9210060, 10745070, 12894084, 14326760, 16117605, 18420120, 21490140, 25788168, 32235210, 42980280, 64470420, 128940840]

約数ペア:

[(1, 128940840), (2, 64470420), (3, 42980280), (4, 32235210), (5, 25788168), (6, 21490140), (7, 18420120), (8, 16117605), (9, 14326760), (10, 12894084), (12, 10745070), (14, 9210060), (15, 8596056), (18, 7163380), (19, 6786360), (20, 6447042), (21, 6140040), (24, 5372535), (28, 4605030), (30, 4298028), (35, 3684024), (36, 3581690), (38, 3393180), (40, 3223521), (42, 3070020), (45, 2865352), (56, 2302515), (57, 2262120), (60, 2149014), (63, 2046680), (70, 1842012), (72, 1790845), (76, 1696590), (84, 1535010), (90, 1432676), (95, 1357272), (105, 1228008), (114, 1131060), (120, 1074507), (126, 1023340), (133, 969480), (140, 921006), (152, 848295), (168, 767505), (171, 754040), (180, 716338), (190, 678636), (210, 614004), (228, 565530), (252, 511670), (266, 484740), (280, 460503), (285, 452424), (315, 409336), (342, 377020), (360, 358169), (380, 339318), (399, 323160), (420, 307002), (456, 282765), (504, 255835), (532, 242370), (570, 226212), (630, 204668), (665, 193896), (684, 188510), (760, 169659), (798, 161580), (840, 153501), (855, 150808), (1064, 121185), (1140, 113106), (1197, 107720), (1260, 102334), (1330, 96948), (1368, 94255), (1596, 80790), (1710, 75404), (1995, 64632), (2280, 56553), (2394, 53860), (2520, 51167), (2660, 48474), (2693, 47880), (3192, 40395), (3420, 37702), (3990, 32316), (4788, 26930), (5320, 24237), (5386, 23940), (5985, 21544), (6840, 18851), (7980, 16158), (8079, 15960), (9576, 13465), (10772, 11970)]