15964020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 192

約数和(自身を含む): 55157760

約数和(自身を除く): 39193740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 37, 45, 47, 51, 54, 60, 68, 74, 85, 90, 94, 102, 108, 111, 135, 141, 148, 153, 170, 180, 185, 188, 204, 222, 235, 255, 270, 282, 306, 333, 340, 370, 423, 444, 459, 470, 510, 540, 555, 564, 612, 629, 666, 705, 740, 765, 799, 846, 918, 940, 999, 1020, 1110, 1258, 1269, 1332, 1410, 1530, 1598, 1665, 1692, 1739, 1836, 1887, 1998, 2115, 2220, 2295, 2397, 2516, 2538, 2820, 3060, 3145, 3196, 3330, 3478, 3774, 3995, 3996, 4230, 4590, 4794, 4995, 5076, 5217, 5661, 6290, 6345, 6660, 6956, 7191, 7548, 7990, 8460, 8695, 9180, 9435, 9588, 9990, 10434, 11322, 11985, 12580, 12690, 14382, 15651, 15980, 16983, 17390, 18870, 19980, 20868, 21573, 22644, 23970, 25380, 26085, 28305, 28764, 29563, 31302, 33966, 34780, 35955, 37740, 43146, 46953, 47940, 52170, 56610, 59126, 62604, 67932, 71910, 78255, 84915, 86292, 88689, 93906, 104340, 107865, 113220, 118252, 143820, 147815, 156510, 169830, 177378, 187812, 215730, 234765, 266067, 295630, 313020, 339660, 354756, 431460, 443445, 469530, 532134, 591260, 798201, 886890, 939060, 1064268, 1330335, 1596402, 1773780, 2660670, 3192804, 3991005, 5321340, 7982010, 15964020]

約数ペア:

[(1, 15964020), (2, 7982010), (3, 5321340), (4, 3991005), (5, 3192804), (6, 2660670), (9, 1773780), (10, 1596402), (12, 1330335), (15, 1064268), (17, 939060), (18, 886890), (20, 798201), (27, 591260), (30, 532134), (34, 469530), (36, 443445), (37, 431460), (45, 354756), (47, 339660), (51, 313020), (54, 295630), (60, 266067), (68, 234765), (74, 215730), (85, 187812), (90, 177378), (94, 169830), (102, 156510), (108, 147815), (111, 143820), (135, 118252), (141, 113220), (148, 107865), (153, 104340), (170, 93906), (180, 88689), (185, 86292), (188, 84915), (204, 78255), (222, 71910), (235, 67932), (255, 62604), (270, 59126), (282, 56610), (306, 52170), (333, 47940), (340, 46953), (370, 43146), (423, 37740), (444, 35955), (459, 34780), (470, 33966), (510, 31302), (540, 29563), (555, 28764), (564, 28305), (612, 26085), (629, 25380), (666, 23970), (705, 22644), (740, 21573), (765, 20868), (799, 19980), (846, 18870), (918, 17390), (940, 16983), (999, 15980), (1020, 15651), (1110, 14382), (1258, 12690), (1269, 12580), (1332, 11985), (1410, 11322), (1530, 10434), (1598, 9990), (1665, 9588), (1692, 9435), (1739, 9180), (1836, 8695), (1887, 8460), (1998, 7990), (2115, 7548), (2220, 7191), (2295, 6956), (2397, 6660), (2516, 6345), (2538, 6290), (2820, 5661), (3060, 5217), (3145, 5076), (3196, 4995), (3330, 4794), (3478, 4590), (3774, 4230), (3995, 3996)]