19822680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 50938920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 41, 45, 51, 60, 68, 72, 79, 82, 85, 90, 102, 120, 123, 136, 153, 158, 164, 170, 180, 204, 205, 237, 246, 255, 306, 316, 328, 340, 360, 369, 395, 408, 410, 474, 492, 510, 612, 615, 632, 680, 697, 711, 738, 765, 790, 820, 948, 984, 1020, 1185, 1224, 1230, 1343, 1394, 1422, 1476, 1530, 1580, 1640, 1845, 1896, 2040, 2091, 2370, 2460, 2686, 2788, 2844, 2952, 3060, 3160, 3239, 3485, 3555, 3690, 4029, 4182, 4740, 4920, 5372, 5576, 5688, 6120, 6273, 6478, 6715, 6970, 7110, 7380, 8058, 8364, 9480, 9717, 10455, 10744, 12087, 12546, 12956, 13430, 13940, 14220, 14760, 16116, 16195, 16728, 19434, 20145, 20910, 24174, 25092, 25912, 26860, 27880, 28440, 29151, 31365, 32232, 32390, 38868, 40290, 41820, 48348, 48585, 50184, 53720, 55063, 58302, 60435, 62730, 64780, 77736, 80580, 83640, 96696, 97170, 110126, 116604, 120870, 125460, 129560, 145755, 161160, 165189, 194340, 220252, 233208, 241740, 250920, 275315, 291510, 330378, 388680, 440504, 483480, 495567, 550630, 583020, 660756, 825945, 991134, 1101260, 1166040, 1321512, 1651890, 1982268, 2202520, 2477835, 3303780, 3964536, 4955670, 6607560, 9911340, 19822680]

約数ペア:

[(1, 19822680), (2, 9911340), (3, 6607560), (4, 4955670), (5, 3964536), (6, 3303780), (8, 2477835), (9, 2202520), (10, 1982268), (12, 1651890), (15, 1321512), (17, 1166040), (18, 1101260), (20, 991134), (24, 825945), (30, 660756), (34, 583020), (36, 550630), (40, 495567), (41, 483480), (45, 440504), (51, 388680), (60, 330378), (68, 291510), (72, 275315), (79, 250920), (82, 241740), (85, 233208), (90, 220252), (102, 194340), (120, 165189), (123, 161160), (136, 145755), (153, 129560), (158, 125460), (164, 120870), (170, 116604), (180, 110126), (204, 97170), (205, 96696), (237, 83640), (246, 80580), (255, 77736), (306, 64780), (316, 62730), (328, 60435), (340, 58302), (360, 55063), (369, 53720), (395, 50184), (408, 48585), (410, 48348), (474, 41820), (492, 40290), (510, 38868), (612, 32390), (615, 32232), (632, 31365), (680, 29151), (697, 28440), (711, 27880), (738, 26860), (765, 25912), (790, 25092), (820, 24174), (948, 20910), (984, 20145), (1020, 19434), (1185, 16728), (1224, 16195), (1230, 16116), (1343, 14760), (1394, 14220), (1422, 13940), (1476, 13430), (1530, 12956), (1580, 12546), (1640, 12087), (1845, 10744), (1896, 10455), (2040, 9717), (2091, 9480), (2370, 8364), (2460, 8058), (2686, 7380), (2788, 7110), (2844, 6970), (2952, 6715), (3060, 6478), (3160, 6273), (3239, 6120), (3485, 5688), (3555, 5576), (3690, 5372), (4029, 4920), (4182, 4740)]