642147120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2340

約数の個数: 240

約数和(自身を含む): 2383722432

約数和(自身を除く): 1741575312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 68, 69, 72, 80, 85, 90, 92, 102, 115, 120, 136, 138, 144, 153, 170, 180, 184, 204, 207, 230, 240, 255, 272, 276, 306, 340, 345, 360, 368, 391, 408, 414, 460, 510, 552, 612, 680, 690, 720, 765, 782, 816, 828, 920, 1020, 1035, 1104, 1173, 1224, 1360, 1380, 1530, 1564, 1656, 1840, 1955, 2040, 2070, 2281, 2346, 2448, 2760, 3060, 3128, 3312, 3519, 3910, 4080, 4140, 4562, 4692, 5520, 5865, 6120, 6256, 6843, 7038, 7820, 8280, 9124, 9384, 11405, 11730, 12240, 13686, 14076, 15640, 16560, 17595, 18248, 18768, 20529, 22810, 23460, 27372, 28152, 31280, 34215, 35190, 36496, 38777, 41058, 45620, 46920, 52463, 54744, 56304, 68430, 70380, 77554, 82116, 91240, 93840, 102645, 104926, 109488, 116331, 136860, 140760, 155108, 157389, 164232, 182480, 193885, 205290, 209852, 232662, 262315, 273720, 281520, 310216, 314778, 328464, 348993, 387770, 410580, 419704, 465324, 472167, 524630, 547440, 581655, 620432, 629556, 697986, 775540, 786945, 821160, 839408, 891871, 930648, 944334, 1049260, 1163310, 1259112, 1395972, 1551080, 1573890, 1642320, 1744965, 1783742, 1861296, 1888668, 2098520, 2326620, 2360835, 2518224, 2675613, 2791944, 3102160, 3147780, 3489930, 3567484, 3777336, 4197040, 4459355, 4653240, 4721670, 5351226, 5583888, 6295560, 6979860, 7134968, 7554672, 8026839, 8918710, 9306480, 9443340, 10702452, 12591120, 13378065, 13959720, 14269936, 16053678, 17837420, 18886680, 21404904, 26756130, 27919440, 32107356, 35674840, 37773360, 40134195, 42809808, 53512260, 64214712, 71349680, 80268390, 107024520, 128429424, 160536780, 214049040, 321073560, 642147120]

約数ペア:

[(1, 642147120), (2, 321073560), (3, 214049040), (4, 160536780), (5, 128429424), (6, 107024520), (8, 80268390), (9, 71349680), (10, 64214712), (12, 53512260), (15, 42809808), (16, 40134195), (17, 37773360), (18, 35674840), (20, 32107356), (23, 27919440), (24, 26756130), (30, 21404904), (34, 18886680), (36, 17837420), (40, 16053678), (45, 14269936), (46, 13959720), (48, 13378065), (51, 12591120), (60, 10702452), (68, 9443340), (69, 9306480), (72, 8918710), (80, 8026839), (85, 7554672), (90, 7134968), (92, 6979860), (102, 6295560), (115, 5583888), (120, 5351226), (136, 4721670), (138, 4653240), (144, 4459355), (153, 4197040), (170, 3777336), (180, 3567484), (184, 3489930), (204, 3147780), (207, 3102160), (230, 2791944), (240, 2675613), (255, 2518224), (272, 2360835), (276, 2326620), (306, 2098520), (340, 1888668), (345, 1861296), (360, 1783742), (368, 1744965), (391, 1642320), (408, 1573890), (414, 1551080), (460, 1395972), (510, 1259112), (552, 1163310), (612, 1049260), (680, 944334), (690, 930648), (720, 891871), (765, 839408), (782, 821160), (816, 786945), (828, 775540), (920, 697986), (1020, 629556), (1035, 620432), (1104, 581655), (1173, 547440), (1224, 524630), (1360, 472167), (1380, 465324), (1530, 419704), (1564, 410580), (1656, 387770), (1840, 348993), (1955, 328464), (2040, 314778), (2070, 310216), (2281, 281520), (2346, 273720), (2448, 262315), (2760, 232662), (3060, 209852), (3128, 205290), (3312, 193885), (3519, 182480), (3910, 164232), (4080, 157389), (4140, 155108), (4562, 140760), (4692, 136860), (5520, 116331), (5865, 109488), (6120, 104926), (6256, 102645), (6843, 93840), (7038, 91240), (7820, 82116), (8280, 77554), (9124, 70380), (9384, 68430), (11405, 56304), (11730, 54744), (12240, 52463), (13686, 46920), (14076, 45620), (15640, 41058), (16560, 38777), (17595, 36496), (18248, 35190), (18768, 34215), (20529, 31280), (22810, 28152), (23460, 27372)]