31585320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 117346320

約数和(自身を除く): 85761000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 397, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 794, 884, 936, 1020, 1105, 1170, 1191, 1224, 1326, 1530, 1560, 1588, 1768, 1985, 1989, 2040, 2210, 2340, 2382, 2652, 3060, 3176, 3315, 3573, 3970, 3978, 4420, 4680, 4764, 5161, 5304, 5955, 6120, 6630, 6749, 7146, 7940, 7956, 8840, 9528, 9945, 10322, 11910, 13260, 13498, 14292, 15483, 15880, 15912, 17865, 19890, 20247, 20644, 23820, 25805, 26520, 26996, 28584, 30966, 33745, 35730, 39780, 40494, 41288, 46449, 47640, 51610, 53992, 60741, 61932, 67490, 71460, 77415, 79560, 80988, 87737, 92898, 101235, 103220, 121482, 123864, 134980, 142920, 154830, 161976, 175474, 185796, 202470, 206440, 232245, 242964, 263211, 269960, 303705, 309660, 350948, 371592, 404940, 438685, 464490, 485928, 526422, 607410, 619320, 701896, 789633, 809880, 877370, 928980, 1052844, 1214820, 1316055, 1579266, 1754740, 1857960, 2105688, 2429640, 2632110, 3158532, 3509480, 3948165, 5264220, 6317064, 7896330, 10528440, 15792660, 31585320]

約数ペア:

[(1, 31585320), (2, 15792660), (3, 10528440), (4, 7896330), (5, 6317064), (6, 5264220), (8, 3948165), (9, 3509480), (10, 3158532), (12, 2632110), (13, 2429640), (15, 2105688), (17, 1857960), (18, 1754740), (20, 1579266), (24, 1316055), (26, 1214820), (30, 1052844), (34, 928980), (36, 877370), (39, 809880), (40, 789633), (45, 701896), (51, 619320), (52, 607410), (60, 526422), (65, 485928), (68, 464490), (72, 438685), (78, 404940), (85, 371592), (90, 350948), (102, 309660), (104, 303705), (117, 269960), (120, 263211), (130, 242964), (136, 232245), (153, 206440), (156, 202470), (170, 185796), (180, 175474), (195, 161976), (204, 154830), (221, 142920), (234, 134980), (255, 123864), (260, 121482), (306, 103220), (312, 101235), (340, 92898), (360, 87737), (390, 80988), (397, 79560), (408, 77415), (442, 71460), (468, 67490), (510, 61932), (520, 60741), (585, 53992), (612, 51610), (663, 47640), (680, 46449), (765, 41288), (780, 40494), (794, 39780), (884, 35730), (936, 33745), (1020, 30966), (1105, 28584), (1170, 26996), (1191, 26520), (1224, 25805), (1326, 23820), (1530, 20644), (1560, 20247), (1588, 19890), (1768, 17865), (1985, 15912), (1989, 15880), (2040, 15483), (2210, 14292), (2340, 13498), (2382, 13260), (2652, 11910), (3060, 10322), (3176, 9945), (3315, 9528), (3573, 8840), (3970, 7956), (3978, 7940), (4420, 7146), (4680, 6749), (4764, 6630), (5161, 6120), (5304, 5955)]