644888790

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 240

約数和(自身を含む): 2149111008

約数和(自身を除く): 1504222218

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 81, 90, 91, 105, 117, 126, 130, 135, 162, 169, 182, 189, 195, 210, 234, 270, 273, 315, 338, 351, 378, 390, 405, 455, 507, 546, 567, 585, 630, 673, 702, 810, 819, 845, 910, 945, 1014, 1053, 1134, 1170, 1183, 1346, 1365, 1521, 1638, 1690, 1755, 1890, 2019, 2106, 2366, 2457, 2535, 2730, 2835, 3042, 3365, 3510, 3549, 4038, 4095, 4563, 4711, 4914, 5070, 5265, 5670, 5915, 6057, 6730, 7098, 7371, 7605, 8190, 8749, 9126, 9422, 10095, 10530, 10647, 11830, 12114, 12285, 13689, 14133, 14742, 15210, 17498, 17745, 18171, 20190, 21294, 22815, 23555, 24570, 26247, 27378, 28266, 30285, 31941, 35490, 36342, 36855, 42399, 43745, 45630, 47110, 52494, 53235, 54513, 60570, 61243, 63882, 68445, 70665, 73710, 78741, 84798, 87490, 90855, 95823, 106470, 109026, 113737, 122486, 127197, 131235, 136890, 141330, 157482, 159705, 181710, 183729, 191646, 211995, 227474, 236223, 254394, 262470, 272565, 306215, 319410, 341211, 367458, 381591, 393705, 423990, 472446, 479115, 545130, 551187, 568685, 612430, 635985, 682422, 708669, 763182, 787410, 796159, 918645, 958230, 1023633, 1102374, 1137370, 1181115, 1271970, 1417338, 1592318, 1653561, 1706055, 1837290, 1907955, 2047266, 2362230, 2388477, 2755935, 3070899, 3307122, 3412110, 3543345, 3815910, 3980795, 4776954, 4960683, 5118165, 5511870, 6141798, 7086690, 7165431, 7961590, 8267805, 9212697, 9921366, 10236330, 11942385, 14330862, 15354495, 16535610, 18425394, 21496293, 23884770, 24803415, 30708990, 35827155, 42992586, 46063485, 49606830, 64488879, 71654310, 92126970, 107481465, 128977758, 214962930, 322444395, 644888790]

約数ペア:

[(1, 644888790), (2, 322444395), (3, 214962930), (5, 128977758), (6, 107481465), (7, 92126970), (9, 71654310), (10, 64488879), (13, 49606830), (14, 46063485), (15, 42992586), (18, 35827155), (21, 30708990), (26, 24803415), (27, 23884770), (30, 21496293), (35, 18425394), (39, 16535610), (42, 15354495), (45, 14330862), (54, 11942385), (63, 10236330), (65, 9921366), (70, 9212697), (78, 8267805), (81, 7961590), (90, 7165431), (91, 7086690), (105, 6141798), (117, 5511870), (126, 5118165), (130, 4960683), (135, 4776954), (162, 3980795), (169, 3815910), (182, 3543345), (189, 3412110), (195, 3307122), (210, 3070899), (234, 2755935), (270, 2388477), (273, 2362230), (315, 2047266), (338, 1907955), (351, 1837290), (378, 1706055), (390, 1653561), (405, 1592318), (455, 1417338), (507, 1271970), (546, 1181115), (567, 1137370), (585, 1102374), (630, 1023633), (673, 958230), (702, 918645), (810, 796159), (819, 787410), (845, 763182), (910, 708669), (945, 682422), (1014, 635985), (1053, 612430), (1134, 568685), (1170, 551187), (1183, 545130), (1346, 479115), (1365, 472446), (1521, 423990), (1638, 393705), (1690, 381591), (1755, 367458), (1890, 341211), (2019, 319410), (2106, 306215), (2366, 272565), (2457, 262470), (2535, 254394), (2730, 236223), (2835, 227474), (3042, 211995), (3365, 191646), (3510, 183729), (3549, 181710), (4038, 159705), (4095, 157482), (4563, 141330), (4711, 136890), (4914, 131235), (5070, 127197), (5265, 122486), (5670, 113737), (5915, 109026), (6057, 106470), (6730, 95823), (7098, 90855), (7371, 87490), (7605, 84798), (8190, 78741), (8749, 73710), (9126, 70665), (9422, 68445), (10095, 63882), (10530, 61243), (10647, 60570), (11830, 54513), (12114, 53235), (12285, 52494), (13689, 47110), (14133, 45630), (14742, 43745), (15210, 42399), (17498, 36855), (17745, 36342), (18171, 35490), (20190, 31941), (21294, 30285), (22815, 28266), (23555, 27378), (24570, 26247)]