55071840

素因数分解:

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

素因数の和:449

約数の個数: 144

約数和(自身を含む): 184745232

約数和(自身を除く): 129673392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 340, 397, 408, 480, 510, 544, 578, 680, 794, 816, 867, 1020, 1156, 1191, 1360, 1445, 1588, 1632, 1734, 1985, 2040, 2312, 2382, 2720, 2890, 3176, 3468, 3970, 4080, 4335, 4624, 4764, 5780, 5955, 6352, 6749, 6936, 7940, 8160, 8670, 9248, 9528, 11560, 11910, 12704, 13498, 13872, 15880, 17340, 19056, 20247, 23120, 23820, 26996, 27744, 31760, 33745, 34680, 38112, 40494, 46240, 47640, 53992, 63520, 67490, 69360, 80988, 95280, 101235, 107984, 114733, 134980, 138720, 161976, 190560, 202470, 215968, 229466, 269960, 323952, 344199, 404940, 458932, 539920, 573665, 647904, 688398, 809880, 917864, 1079840, 1147330, 1376796, 1619760, 1720995, 1835728, 2294660, 2753592, 3239520, 3441990, 3671456, 4589320, 5507184, 6883980, 9178640, 11014368, 13767960, 18357280, 27535920, 55071840]

約数ペア:

[(1, 55071840), (2, 27535920), (3, 18357280), (4, 13767960), (5, 11014368), (6, 9178640), (8, 6883980), (10, 5507184), (12, 4589320), (15, 3671456), (16, 3441990), (17, 3239520), (20, 2753592), (24, 2294660), (30, 1835728), (32, 1720995), (34, 1619760), (40, 1376796), (48, 1147330), (51, 1079840), (60, 917864), (68, 809880), (80, 688398), (85, 647904), (96, 573665), (102, 539920), (120, 458932), (136, 404940), (160, 344199), (170, 323952), (204, 269960), (240, 229466), (255, 215968), (272, 202470), (289, 190560), (340, 161976), (397, 138720), (408, 134980), (480, 114733), (510, 107984), (544, 101235), (578, 95280), (680, 80988), (794, 69360), (816, 67490), (867, 63520), (1020, 53992), (1156, 47640), (1191, 46240), (1360, 40494), (1445, 38112), (1588, 34680), (1632, 33745), (1734, 31760), (1985, 27744), (2040, 26996), (2312, 23820), (2382, 23120), (2720, 20247), (2890, 19056), (3176, 17340), (3468, 15880), (3970, 13872), (4080, 13498), (4335, 12704), (4624, 11910), (4764, 11560), (5780, 9528), (5955, 9248), (6352, 8670), (6749, 8160), (6936, 7940)]