7772940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 27955200

約数和(自身を除く): 20182260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 199, 210, 217, 252, 279, 310, 315, 372, 398, 420, 434, 465, 558, 597, 620, 630, 651, 796, 868, 930, 995, 1085, 1116, 1194, 1260, 1302, 1393, 1395, 1791, 1860, 1953, 1990, 2170, 2388, 2604, 2786, 2790, 2985, 3255, 3582, 3906, 3980, 4179, 4340, 5572, 5580, 5970, 6169, 6510, 6965, 7164, 7812, 8358, 8955, 9765, 11940, 12338, 12537, 13020, 13930, 16716, 17910, 18507, 19530, 20895, 24676, 25074, 27860, 30845, 35820, 37014, 39060, 41790, 43183, 50148, 55521, 61690, 62685, 74028, 83580, 86366, 92535, 111042, 123380, 125370, 129549, 172732, 185070, 215915, 222084, 250740, 259098, 277605, 370140, 388647, 431830, 518196, 555210, 647745, 777294, 863660, 1110420, 1295490, 1554588, 1943235, 2590980, 3886470, 7772940]

約数ペア:

[(1, 7772940), (2, 3886470), (3, 2590980), (4, 1943235), (5, 1554588), (6, 1295490), (7, 1110420), (9, 863660), (10, 777294), (12, 647745), (14, 555210), (15, 518196), (18, 431830), (20, 388647), (21, 370140), (28, 277605), (30, 259098), (31, 250740), (35, 222084), (36, 215915), (42, 185070), (45, 172732), (60, 129549), (62, 125370), (63, 123380), (70, 111042), (84, 92535), (90, 86366), (93, 83580), (105, 74028), (124, 62685), (126, 61690), (140, 55521), (155, 50148), (180, 43183), (186, 41790), (199, 39060), (210, 37014), (217, 35820), (252, 30845), (279, 27860), (310, 25074), (315, 24676), (372, 20895), (398, 19530), (420, 18507), (434, 17910), (465, 16716), (558, 13930), (597, 13020), (620, 12537), (630, 12338), (651, 11940), (796, 9765), (868, 8955), (930, 8358), (995, 7812), (1085, 7164), (1116, 6965), (1194, 6510), (1260, 6169), (1302, 5970), (1393, 5580), (1395, 5572), (1791, 4340), (1860, 4179), (1953, 3980), (1990, 3906), (2170, 3582), (2388, 3255), (2604, 2985), (2786, 2790)]