13978801620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{20507}}^1$

素因数の和:21070

約数の個数: 144

約数和(自身を含む): 48551787648

約数和(自身を除く): 34572986028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 541, 630, 1082, 1260, 1623, 2164, 2705, 3246, 3787, 4869, 5410, 6492, 7574, 8115, 9738, 10820, 11361, 15148, 16230, 18935, 19476, 20507, 22722, 24345, 32460, 34083, 37870, 41014, 45444, 48690, 56805, 61521, 68166, 75740, 82028, 97380, 102535, 113610, 123042, 136332, 143549, 170415, 184563, 205070, 227220, 246084, 287098, 307605, 340830, 369126, 410140, 430647, 574196, 615210, 681660, 717745, 738252, 861294, 922815, 1230420, 1291941, 1435490, 1722588, 1845630, 2153235, 2583882, 2870980, 3691260, 4306470, 5167764, 6459705, 8612940, 11094287, 12919410, 22188574, 25838820, 33282861, 44377148, 55471435, 66565722, 77660009, 99848583, 110942870, 133131444, 155320018, 166414305, 199697166, 221885740, 232980027, 310640036, 332828610, 388300045, 399394332, 465960054, 499242915, 665657220, 698940081, 776600090, 931920108, 998485830, 1164900135, 1397880162, 1553200180, 1996971660, 2329800270, 2795760324, 3494700405, 4659600540, 6989400810, 13978801620]

約数ペア:

[(1, 13978801620), (2, 6989400810), (3, 4659600540), (4, 3494700405), (5, 2795760324), (6, 2329800270), (7, 1996971660), (9, 1553200180), (10, 1397880162), (12, 1164900135), (14, 998485830), (15, 931920108), (18, 776600090), (20, 698940081), (21, 665657220), (28, 499242915), (30, 465960054), (35, 399394332), (36, 388300045), (42, 332828610), (45, 310640036), (60, 232980027), (63, 221885740), (70, 199697166), (84, 166414305), (90, 155320018), (105, 133131444), (126, 110942870), (140, 99848583), (180, 77660009), (210, 66565722), (252, 55471435), (315, 44377148), (420, 33282861), (541, 25838820), (630, 22188574), (1082, 12919410), (1260, 11094287), (1623, 8612940), (2164, 6459705), (2705, 5167764), (3246, 4306470), (3787, 3691260), (4869, 2870980), (5410, 2583882), (6492, 2153235), (7574, 1845630), (8115, 1722588), (9738, 1435490), (10820, 1291941), (11361, 1230420), (15148, 922815), (16230, 861294), (18935, 738252), (19476, 717745), (20507, 681660), (22722, 615210), (24345, 574196), (32460, 430647), (34083, 410140), (37870, 369126), (41014, 340830), (45444, 307605), (48690, 287098), (56805, 246084), (61521, 227220), (68166, 205070), (75740, 184563), (82028, 170415), (97380, 143549), (102535, 136332), (113610, 123042)]