18304020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 64646400

約数和(自身を除く): 46342380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 199, 210, 219, 252, 292, 315, 365, 398, 420, 438, 511, 597, 630, 657, 730, 796, 876, 995, 1022, 1095, 1194, 1260, 1314, 1393, 1460, 1533, 1791, 1990, 2044, 2190, 2388, 2555, 2628, 2786, 2985, 3066, 3285, 3582, 3980, 4179, 4380, 4599, 5110, 5572, 5970, 6132, 6570, 6965, 7164, 7665, 8358, 8955, 9198, 10220, 11940, 12537, 13140, 13930, 14527, 15330, 16716, 17910, 18396, 20895, 22995, 25074, 27860, 29054, 30660, 35820, 41790, 43581, 45990, 50148, 58108, 62685, 72635, 83580, 87162, 91980, 101689, 125370, 130743, 145270, 174324, 203378, 217905, 250740, 261486, 290540, 305067, 406756, 435810, 508445, 522972, 610134, 653715, 871620, 915201, 1016890, 1220268, 1307430, 1525335, 1830402, 2033780, 2614860, 3050670, 3660804, 4576005, 6101340, 9152010, 18304020]

約数ペア:

[(1, 18304020), (2, 9152010), (3, 6101340), (4, 4576005), (5, 3660804), (6, 3050670), (7, 2614860), (9, 2033780), (10, 1830402), (12, 1525335), (14, 1307430), (15, 1220268), (18, 1016890), (20, 915201), (21, 871620), (28, 653715), (30, 610134), (35, 522972), (36, 508445), (42, 435810), (45, 406756), (60, 305067), (63, 290540), (70, 261486), (73, 250740), (84, 217905), (90, 203378), (105, 174324), (126, 145270), (140, 130743), (146, 125370), (180, 101689), (199, 91980), (210, 87162), (219, 83580), (252, 72635), (292, 62685), (315, 58108), (365, 50148), (398, 45990), (420, 43581), (438, 41790), (511, 35820), (597, 30660), (630, 29054), (657, 27860), (730, 25074), (796, 22995), (876, 20895), (995, 18396), (1022, 17910), (1095, 16716), (1194, 15330), (1260, 14527), (1314, 13930), (1393, 13140), (1460, 12537), (1533, 11940), (1791, 10220), (1990, 9198), (2044, 8955), (2190, 8358), (2388, 7665), (2555, 7164), (2628, 6965), (2786, 6570), (2985, 6132), (3066, 5970), (3285, 5572), (3582, 5110), (3980, 4599), (4179, 4380)]