128282490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1577

約数の個数: 144

約数和(自身を含む): 408676320

約数和(自身を除く): 280393830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 399, 441, 490, 570, 630, 665, 735, 798, 855, 882, 931, 1197, 1330, 1470, 1531, 1710, 1862, 1995, 2205, 2394, 2793, 3062, 3990, 4410, 4593, 4655, 5586, 5985, 7655, 8379, 9186, 9310, 10717, 11970, 13779, 13965, 15310, 16758, 21434, 22965, 27558, 27930, 29089, 32151, 41895, 45930, 53585, 58178, 64302, 68895, 75019, 83790, 87267, 96453, 107170, 137790, 145445, 150038, 160755, 174534, 192906, 203623, 225057, 261801, 290890, 321510, 375095, 407246, 436335, 450114, 482265, 523602, 610869, 675171, 750190, 872670, 964530, 1018115, 1125285, 1221738, 1309005, 1350342, 1425361, 1832607, 2036230, 2250570, 2618010, 2850722, 3054345, 3375855, 3665214, 4276083, 6108690, 6751710, 7126805, 8552166, 9163035, 12828249, 14253610, 18326070, 21380415, 25656498, 42760830, 64141245, 128282490]

約数ペア:

[(1, 128282490), (2, 64141245), (3, 42760830), (5, 25656498), (6, 21380415), (7, 18326070), (9, 14253610), (10, 12828249), (14, 9163035), (15, 8552166), (18, 7126805), (19, 6751710), (21, 6108690), (30, 4276083), (35, 3665214), (38, 3375855), (42, 3054345), (45, 2850722), (49, 2618010), (57, 2250570), (63, 2036230), (70, 1832607), (90, 1425361), (95, 1350342), (98, 1309005), (105, 1221738), (114, 1125285), (126, 1018115), (133, 964530), (147, 872670), (171, 750190), (190, 675171), (210, 610869), (245, 523602), (266, 482265), (285, 450114), (294, 436335), (315, 407246), (342, 375095), (399, 321510), (441, 290890), (490, 261801), (570, 225057), (630, 203623), (665, 192906), (735, 174534), (798, 160755), (855, 150038), (882, 145445), (931, 137790), (1197, 107170), (1330, 96453), (1470, 87267), (1531, 83790), (1710, 75019), (1862, 68895), (1995, 64302), (2205, 58178), (2394, 53585), (2793, 45930), (3062, 41895), (3990, 32151), (4410, 29089), (4593, 27930), (4655, 27558), (5586, 22965), (5985, 21434), (7655, 16758), (8379, 15310), (9186, 13965), (9310, 13779), (10717, 11970)]