30900870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:65

約数の個数: 240

約数和(自身を含む): 110112912

約数和(自身を除く): 79212042

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 33, 35, 39, 42, 45, 49, 55, 63, 65, 66, 70, 77, 78, 90, 91, 98, 99, 105, 110, 117, 126, 130, 143, 147, 154, 165, 182, 195, 198, 210, 231, 234, 245, 273, 286, 294, 315, 330, 343, 385, 390, 429, 441, 455, 462, 490, 495, 539, 546, 585, 630, 637, 686, 693, 715, 735, 770, 819, 858, 882, 910, 990, 1001, 1029, 1078, 1155, 1170, 1274, 1287, 1365, 1386, 1430, 1470, 1617, 1638, 1715, 1911, 2002, 2058, 2145, 2205, 2310, 2401, 2574, 2695, 2730, 3003, 3087, 3185, 3234, 3430, 3465, 3773, 3822, 4095, 4290, 4410, 4459, 4802, 4851, 5005, 5145, 5390, 5733, 6006, 6174, 6370, 6435, 6930, 7007, 7203, 7546, 8085, 8190, 8918, 9009, 9555, 9702, 10010, 10290, 11319, 11466, 12005, 12870, 13377, 14014, 14406, 15015, 15435, 16170, 18018, 18865, 19110, 21021, 21609, 22295, 22638, 24010, 24255, 26411, 26754, 28665, 30030, 30870, 31213, 33957, 35035, 36015, 37730, 40131, 42042, 43218, 44590, 45045, 48510, 49049, 52822, 56595, 57330, 62426, 63063, 66885, 67914, 70070, 72030, 79233, 80262, 90090, 93639, 98098, 105105, 108045, 113190, 126126, 132055, 133770, 147147, 156065, 158466, 169785, 187278, 200655, 210210, 216090, 237699, 245245, 264110, 280917, 294294, 312130, 315315, 339570, 343343, 396165, 401310, 441441, 468195, 475398, 490490, 561834, 630630, 686686, 735735, 792330, 882882, 936390, 1030029, 1188495, 1404585, 1471470, 1716715, 2060058, 2207205, 2376990, 2809170, 3090087, 3433430, 4414410, 5150145, 6180174, 10300290, 15450435, 30900870]

約数ペア:

[(1, 30900870), (2, 15450435), (3, 10300290), (5, 6180174), (6, 5150145), (7, 4414410), (9, 3433430), (10, 3090087), (11, 2809170), (13, 2376990), (14, 2207205), (15, 2060058), (18, 1716715), (21, 1471470), (22, 1404585), (26, 1188495), (30, 1030029), (33, 936390), (35, 882882), (39, 792330), (42, 735735), (45, 686686), (49, 630630), (55, 561834), (63, 490490), (65, 475398), (66, 468195), (70, 441441), (77, 401310), (78, 396165), (90, 343343), (91, 339570), (98, 315315), (99, 312130), (105, 294294), (110, 280917), (117, 264110), (126, 245245), (130, 237699), (143, 216090), (147, 210210), (154, 200655), (165, 187278), (182, 169785), (195, 158466), (198, 156065), (210, 147147), (231, 133770), (234, 132055), (245, 126126), (273, 113190), (286, 108045), (294, 105105), (315, 98098), (330, 93639), (343, 90090), (385, 80262), (390, 79233), (429, 72030), (441, 70070), (455, 67914), (462, 66885), (490, 63063), (495, 62426), (539, 57330), (546, 56595), (585, 52822), (630, 49049), (637, 48510), (686, 45045), (693, 44590), (715, 43218), (735, 42042), (770, 40131), (819, 37730), (858, 36015), (882, 35035), (910, 33957), (990, 31213), (1001, 30870), (1029, 30030), (1078, 28665), (1155, 26754), (1170, 26411), (1274, 24255), (1287, 24010), (1365, 22638), (1386, 22295), (1430, 21609), (1470, 21021), (1617, 19110), (1638, 18865), (1715, 18018), (1911, 16170), (2002, 15435), (2058, 15015), (2145, 14406), (2205, 14014), (2310, 13377), (2401, 12870), (2574, 12005), (2695, 11466), (2730, 11319), (3003, 10290), (3087, 10010), (3185, 9702), (3234, 9555), (3430, 9009), (3465, 8918), (3773, 8190), (3822, 8085), (4095, 7546), (4290, 7203), (4410, 7007), (4459, 6930), (4802, 6435), (4851, 6370), (5005, 6174), (5145, 6006), (5390, 5733)]