2590980

素因数分解:

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

素因数の和:249

約数の個数: 96

約数和(自身を含む): 8601600

約数和(自身を除く): 6010620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 199, 210, 217, 310, 372, 398, 420, 434, 465, 597, 620, 651, 796, 868, 930, 995, 1085, 1194, 1302, 1393, 1860, 1990, 2170, 2388, 2604, 2786, 2985, 3255, 3980, 4179, 4340, 5572, 5970, 6169, 6510, 6965, 8358, 11940, 12338, 13020, 13930, 16716, 18507, 20895, 24676, 27860, 30845, 37014, 41790, 43183, 61690, 74028, 83580, 86366, 92535, 123380, 129549, 172732, 185070, 215915, 259098, 370140, 431830, 518196, 647745, 863660, 1295490, 2590980]

約数ペア:

[(1, 2590980), (2, 1295490), (3, 863660), (4, 647745), (5, 518196), (6, 431830), (7, 370140), (10, 259098), (12, 215915), (14, 185070), (15, 172732), (20, 129549), (21, 123380), (28, 92535), (30, 86366), (31, 83580), (35, 74028), (42, 61690), (60, 43183), (62, 41790), (70, 37014), (84, 30845), (93, 27860), (105, 24676), (124, 20895), (140, 18507), (155, 16716), (186, 13930), (199, 13020), (210, 12338), (217, 11940), (310, 8358), (372, 6965), (398, 6510), (420, 6169), (434, 5970), (465, 5572), (597, 4340), (620, 4179), (651, 3980), (796, 3255), (868, 2985), (930, 2786), (995, 2604), (1085, 2388), (1194, 2170), (1302, 1990), (1393, 1860)]