72215490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 195022080

約数和(自身を除く): 122806590

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 43, 51, 74, 85, 86, 89, 102, 111, 129, 170, 178, 185, 215, 222, 255, 258, 267, 370, 430, 445, 510, 534, 555, 629, 645, 731, 890, 1110, 1258, 1290, 1335, 1462, 1513, 1591, 1887, 2193, 2670, 3026, 3145, 3182, 3293, 3655, 3774, 3827, 4386, 4539, 4773, 6290, 6586, 7310, 7565, 7654, 7955, 9078, 9435, 9546, 9879, 10965, 11481, 15130, 15910, 16465, 18870, 19135, 19758, 21930, 22695, 22962, 23865, 27047, 32930, 38270, 45390, 47730, 49395, 54094, 55981, 57405, 65059, 81141, 98790, 111962, 114810, 130118, 135235, 141599, 162282, 167943, 195177, 270470, 279905, 283198, 325295, 335886, 390354, 405705, 424797, 559810, 650590, 707995, 811410, 839715, 849594, 975885, 1415990, 1679430, 1951770, 2123985, 2407183, 4247970, 4814366, 7221549, 12035915, 14443098, 24071830, 36107745, 72215490]

約数ペア:

[(1, 72215490), (2, 36107745), (3, 24071830), (5, 14443098), (6, 12035915), (10, 7221549), (15, 4814366), (17, 4247970), (30, 2407183), (34, 2123985), (37, 1951770), (43, 1679430), (51, 1415990), (74, 975885), (85, 849594), (86, 839715), (89, 811410), (102, 707995), (111, 650590), (129, 559810), (170, 424797), (178, 405705), (185, 390354), (215, 335886), (222, 325295), (255, 283198), (258, 279905), (267, 270470), (370, 195177), (430, 167943), (445, 162282), (510, 141599), (534, 135235), (555, 130118), (629, 114810), (645, 111962), (731, 98790), (890, 81141), (1110, 65059), (1258, 57405), (1290, 55981), (1335, 54094), (1462, 49395), (1513, 47730), (1591, 45390), (1887, 38270), (2193, 32930), (2670, 27047), (3026, 23865), (3145, 22962), (3182, 22695), (3293, 21930), (3655, 19758), (3774, 19135), (3827, 18870), (4386, 16465), (4539, 15910), (4773, 15130), (6290, 11481), (6586, 10965), (7310, 9879), (7565, 9546), (7654, 9435), (7955, 9078)]