388403760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4139}}^1$

素因数の和:4195

約数の個数: 160

約数和(自身を含む): 1330629120

約数和(自身を除く): 942225360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 408, 460, 510, 552, 680, 690, 782, 816, 920, 1020, 1104, 1173, 1360, 1380, 1564, 1840, 1955, 2040, 2346, 2760, 3128, 3910, 4080, 4139, 4692, 5520, 5865, 6256, 7820, 8278, 9384, 11730, 12417, 15640, 16556, 18768, 20695, 23460, 24834, 31280, 33112, 41390, 46920, 49668, 62085, 66224, 70363, 82780, 93840, 95197, 99336, 124170, 140726, 165560, 190394, 198672, 211089, 248340, 281452, 285591, 331120, 351815, 380788, 422178, 475985, 496680, 562904, 571182, 703630, 761576, 844356, 951970, 993360, 1055445, 1125808, 1142364, 1407260, 1427955, 1523152, 1618349, 1688712, 1903940, 2110890, 2284728, 2814520, 2855910, 3236698, 3377424, 3807880, 4221780, 4569456, 4855047, 5629040, 5711820, 6473396, 7615760, 8091745, 8443560, 9710094, 11423640, 12946792, 16183490, 16887120, 19420188, 22847280, 24275235, 25893584, 32366980, 38840376, 48550470, 64733960, 77680752, 97100940, 129467920, 194201880, 388403760]

約数ペア:

[(1, 388403760), (2, 194201880), (3, 129467920), (4, 97100940), (5, 77680752), (6, 64733960), (8, 48550470), (10, 38840376), (12, 32366980), (15, 25893584), (16, 24275235), (17, 22847280), (20, 19420188), (23, 16887120), (24, 16183490), (30, 12946792), (34, 11423640), (40, 9710094), (46, 8443560), (48, 8091745), (51, 7615760), (60, 6473396), (68, 5711820), (69, 5629040), (80, 4855047), (85, 4569456), (92, 4221780), (102, 3807880), (115, 3377424), (120, 3236698), (136, 2855910), (138, 2814520), (170, 2284728), (184, 2110890), (204, 1903940), (230, 1688712), (240, 1618349), (255, 1523152), (272, 1427955), (276, 1407260), (340, 1142364), (345, 1125808), (368, 1055445), (391, 993360), (408, 951970), (460, 844356), (510, 761576), (552, 703630), (680, 571182), (690, 562904), (782, 496680), (816, 475985), (920, 422178), (1020, 380788), (1104, 351815), (1173, 331120), (1360, 285591), (1380, 281452), (1564, 248340), (1840, 211089), (1955, 198672), (2040, 190394), (2346, 165560), (2760, 140726), (3128, 124170), (3910, 99336), (4080, 95197), (4139, 93840), (4692, 82780), (5520, 70363), (5865, 66224), (6256, 62085), (7820, 49668), (8278, 46920), (9384, 41390), (11730, 33112), (12417, 31280), (15640, 24834), (16556, 23460), (18768, 20695)]