30219420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 109412352

約数和(自身を除く): 79192932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 124, 132, 140, 154, 155, 165, 186, 210, 211, 217, 220, 231, 308, 310, 330, 341, 372, 385, 420, 422, 434, 462, 465, 620, 633, 651, 660, 682, 770, 844, 868, 924, 930, 1023, 1055, 1085, 1155, 1266, 1302, 1364, 1477, 1540, 1705, 1860, 2046, 2110, 2170, 2310, 2321, 2387, 2532, 2604, 2954, 3165, 3255, 3410, 4092, 4220, 4340, 4431, 4620, 4642, 4774, 5115, 5908, 6330, 6510, 6541, 6820, 6963, 7161, 7385, 8862, 9284, 9548, 10230, 11605, 11935, 12660, 13020, 13082, 13926, 14322, 14770, 16247, 17724, 19623, 20460, 22155, 23210, 23870, 26164, 27852, 28644, 29540, 32494, 32705, 34815, 35805, 39246, 44310, 45787, 46420, 47740, 48741, 64988, 65410, 69630, 71610, 71951, 78492, 81235, 88620, 91574, 97482, 98115, 130820, 137361, 139260, 143220, 143902, 162470, 183148, 194964, 196230, 215853, 228935, 243705, 274722, 287804, 324940, 359755, 392460, 431706, 457870, 487410, 503657, 549444, 686805, 719510, 863412, 915740, 974820, 1007314, 1079265, 1373610, 1439020, 1510971, 2014628, 2158530, 2518285, 2747220, 3021942, 4317060, 5036570, 6043884, 7554855, 10073140, 15109710, 30219420]

約数ペア:

[(1, 30219420), (2, 15109710), (3, 10073140), (4, 7554855), (5, 6043884), (6, 5036570), (7, 4317060), (10, 3021942), (11, 2747220), (12, 2518285), (14, 2158530), (15, 2014628), (20, 1510971), (21, 1439020), (22, 1373610), (28, 1079265), (30, 1007314), (31, 974820), (33, 915740), (35, 863412), (42, 719510), (44, 686805), (55, 549444), (60, 503657), (62, 487410), (66, 457870), (70, 431706), (77, 392460), (84, 359755), (93, 324940), (105, 287804), (110, 274722), (124, 243705), (132, 228935), (140, 215853), (154, 196230), (155, 194964), (165, 183148), (186, 162470), (210, 143902), (211, 143220), (217, 139260), (220, 137361), (231, 130820), (308, 98115), (310, 97482), (330, 91574), (341, 88620), (372, 81235), (385, 78492), (420, 71951), (422, 71610), (434, 69630), (462, 65410), (465, 64988), (620, 48741), (633, 47740), (651, 46420), (660, 45787), (682, 44310), (770, 39246), (844, 35805), (868, 34815), (924, 32705), (930, 32494), (1023, 29540), (1055, 28644), (1085, 27852), (1155, 26164), (1266, 23870), (1302, 23210), (1364, 22155), (1477, 20460), (1540, 19623), (1705, 17724), (1860, 16247), (2046, 14770), (2110, 14322), (2170, 13926), (2310, 13082), (2321, 13020), (2387, 12660), (2532, 11935), (2604, 11605), (2954, 10230), (3165, 9548), (3255, 9284), (3410, 8862), (4092, 7385), (4220, 7161), (4340, 6963), (4431, 6820), (4620, 6541), (4642, 6510), (4774, 6330), (5115, 5908)]