205840980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4283}}^1$

素因数の和:4390

約数の個数: 96

約数和(自身を含む): 647740800

約数和(自身を除く): 441899820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 89, 90, 108, 135, 178, 180, 267, 270, 356, 445, 534, 540, 801, 890, 1068, 1335, 1602, 1780, 2403, 2670, 3204, 4005, 4283, 4806, 5340, 8010, 8566, 9612, 12015, 12849, 16020, 17132, 21415, 24030, 25698, 38547, 42830, 48060, 51396, 64245, 77094, 85660, 115641, 128490, 154188, 192735, 231282, 256980, 381187, 385470, 462564, 578205, 762374, 770940, 1143561, 1156410, 1524748, 1905935, 2287122, 2312820, 3430683, 3811870, 4574244, 5717805, 6861366, 7623740, 10292049, 11435610, 13722732, 17153415, 20584098, 22871220, 34306830, 41168196, 51460245, 68613660, 102920490, 205840980]

約数ペア:

[(1, 205840980), (2, 102920490), (3, 68613660), (4, 51460245), (5, 41168196), (6, 34306830), (9, 22871220), (10, 20584098), (12, 17153415), (15, 13722732), (18, 11435610), (20, 10292049), (27, 7623740), (30, 6861366), (36, 5717805), (45, 4574244), (54, 3811870), (60, 3430683), (89, 2312820), (90, 2287122), (108, 1905935), (135, 1524748), (178, 1156410), (180, 1143561), (267, 770940), (270, 762374), (356, 578205), (445, 462564), (534, 385470), (540, 381187), (801, 256980), (890, 231282), (1068, 192735), (1335, 154188), (1602, 128490), (1780, 115641), (2403, 85660), (2670, 77094), (3204, 64245), (4005, 51396), (4283, 48060), (4806, 42830), (5340, 38547), (8010, 25698), (8566, 24030), (9612, 21415), (12015, 17132), (12849, 16020)]