644028840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6553}}^1$

素因数の和:6593

約数の個数: 256

約数和(自身を含む): 2642572800

約数和(自身を除く): 1998543960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 6553, 7020, 7560, 8190, 9828, 10920, 12285, 13106, 14040, 16380, 19656, 19659, 24570, 26212, 32760, 32765, 39318, 45871, 49140, 52424, 58977, 65530, 78636, 85189, 91742, 98280, 98295, 117954, 131060, 137613, 157272, 170378, 176931, 183484, 196590, 229355, 235908, 255567, 262120, 275226, 294885, 340756, 353862, 366968, 393180, 412839, 425945, 458710, 471816, 511134, 550452, 589770, 596323, 681512, 688065, 707724, 766701, 786360, 825678, 851890, 884655, 917420, 1022268, 1100904, 1179540, 1192646, 1238517, 1277835, 1376130, 1415448, 1533402, 1651356, 1703780, 1769310, 1788969, 1834840, 2044536, 2064195, 2300103, 2359080, 2385292, 2477034, 2555670, 2752260, 2981615, 3066804, 3302712, 3407560, 3538620, 3577938, 3833505, 4128390, 4600206, 4770584, 4954068, 5111340, 5366907, 5504520, 5963230, 6133608, 6192585, 7077240, 7155876, 7667010, 8256780, 8944845, 9200412, 9908136, 10222680, 10733814, 11500515, 11926460, 12385170, 14311752, 15334020, 16100721, 16513560, 17889690, 18400824, 21467628, 23001030, 23852920, 24770340, 26834535, 30668040, 32201442, 35779380, 42935256, 46002060, 49540680, 53669070, 64402884, 71558760, 80503605, 92004120, 107338140, 128805768, 161007210, 214676280, 322014420, 644028840]

約数ペア:

[(1, 644028840), (2, 322014420), (3, 214676280), (4, 161007210), (5, 128805768), (6, 107338140), (7, 92004120), (8, 80503605), (9, 71558760), (10, 64402884), (12, 53669070), (13, 49540680), (14, 46002060), (15, 42935256), (18, 35779380), (20, 32201442), (21, 30668040), (24, 26834535), (26, 24770340), (27, 23852920), (28, 23001030), (30, 21467628), (35, 18400824), (36, 17889690), (39, 16513560), (40, 16100721), (42, 15334020), (45, 14311752), (52, 12385170), (54, 11926460), (56, 11500515), (60, 10733814), (63, 10222680), (65, 9908136), (70, 9200412), (72, 8944845), (78, 8256780), (84, 7667010), (90, 7155876), (91, 7077240), (104, 6192585), (105, 6133608), (108, 5963230), (117, 5504520), (120, 5366907), (126, 5111340), (130, 4954068), (135, 4770584), (140, 4600206), (156, 4128390), (168, 3833505), (180, 3577938), (182, 3538620), (189, 3407560), (195, 3302712), (210, 3066804), (216, 2981615), (234, 2752260), (252, 2555670), (260, 2477034), (270, 2385292), (273, 2359080), (280, 2300103), (312, 2064195), (315, 2044536), (351, 1834840), (360, 1788969), (364, 1769310), (378, 1703780), (390, 1651356), (420, 1533402), (455, 1415448), (468, 1376130), (504, 1277835), (520, 1238517), (540, 1192646), (546, 1179540), (585, 1100904), (630, 1022268), (702, 917420), (728, 884655), (756, 851890), (780, 825678), (819, 786360), (840, 766701), (910, 707724), (936, 688065), (945, 681512), (1080, 596323), (1092, 589770), (1170, 550452), (1260, 511134), (1365, 471816), (1404, 458710), (1512, 425945), (1560, 412839), (1638, 393180), (1755, 366968), (1820, 353862), (1890, 340756), (2184, 294885), (2340, 275226), (2457, 262120), (2520, 255567), (2730, 235908), (2808, 229355), (3276, 196590), (3510, 183484), (3640, 176931), (3780, 170378), (4095, 157272), (4680, 137613), (4914, 131060), (5460, 117954), (6552, 98295), (6553, 98280), (7020, 91742), (7560, 85189), (8190, 78636), (9828, 65530), (10920, 58977), (12285, 52424), (13106, 49140), (14040, 45871), (16380, 39318), (19656, 32765), (19659, 32760), (24570, 26212)]