85298220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:557

約数の個数: 216

約数和(自身を含む): 317444400

約数和(自身を除く): 232146180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 509, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1018, 1140, 1197, 1260, 1330, 1470, 1527, 1596, 1710, 1764, 1862, 1995, 2036, 2205, 2394, 2545, 2660, 2793, 2940, 3054, 3420, 3563, 3724, 3990, 4410, 4581, 4655, 4788, 5090, 5586, 5985, 6108, 7126, 7635, 7980, 8379, 8820, 9162, 9310, 9671, 10180, 10689, 11172, 11970, 13965, 14252, 15270, 16758, 17815, 18324, 18620, 19342, 21378, 22905, 23940, 24941, 27930, 29013, 30540, 32067, 33516, 35630, 38684, 41895, 42756, 45810, 48355, 49882, 53445, 55860, 58026, 64134, 67697, 71260, 74823, 83790, 87039, 91620, 96710, 99764, 106890, 116052, 124705, 128268, 135394, 145065, 149646, 160335, 167580, 174078, 193420, 203091, 213780, 224469, 249410, 270788, 290130, 299292, 320670, 338485, 348156, 374115, 406182, 435195, 448938, 473879, 498820, 580260, 609273, 641340, 676970, 748230, 812364, 870390, 897876, 947758, 1015455, 1122345, 1218546, 1353940, 1421637, 1496460, 1740780, 1895516, 2030910, 2244690, 2369395, 2437092, 2843274, 3046365, 4061820, 4264911, 4489380, 4738790, 5686548, 6092730, 7108185, 8529822, 9477580, 12185460, 14216370, 17059644, 21324555, 28432740, 42649110, 85298220]

約数ペア:

[(1, 85298220), (2, 42649110), (3, 28432740), (4, 21324555), (5, 17059644), (6, 14216370), (7, 12185460), (9, 9477580), (10, 8529822), (12, 7108185), (14, 6092730), (15, 5686548), (18, 4738790), (19, 4489380), (20, 4264911), (21, 4061820), (28, 3046365), (30, 2843274), (35, 2437092), (36, 2369395), (38, 2244690), (42, 2030910), (45, 1895516), (49, 1740780), (57, 1496460), (60, 1421637), (63, 1353940), (70, 1218546), (76, 1122345), (84, 1015455), (90, 947758), (95, 897876), (98, 870390), (105, 812364), (114, 748230), (126, 676970), (133, 641340), (140, 609273), (147, 580260), (171, 498820), (180, 473879), (190, 448938), (196, 435195), (210, 406182), (228, 374115), (245, 348156), (252, 338485), (266, 320670), (285, 299292), (294, 290130), (315, 270788), (342, 249410), (380, 224469), (399, 213780), (420, 203091), (441, 193420), (490, 174078), (509, 167580), (532, 160335), (570, 149646), (588, 145065), (630, 135394), (665, 128268), (684, 124705), (735, 116052), (798, 106890), (855, 99764), (882, 96710), (931, 91620), (980, 87039), (1018, 83790), (1140, 74823), (1197, 71260), (1260, 67697), (1330, 64134), (1470, 58026), (1527, 55860), (1596, 53445), (1710, 49882), (1764, 48355), (1862, 45810), (1995, 42756), (2036, 41895), (2205, 38684), (2394, 35630), (2545, 33516), (2660, 32067), (2793, 30540), (2940, 29013), (3054, 27930), (3420, 24941), (3563, 23940), (3724, 22905), (3990, 21378), (4410, 19342), (4581, 18620), (4655, 18324), (4788, 17815), (5090, 16758), (5586, 15270), (5985, 14252), (6108, 13965), (7126, 11970), (7635, 11172), (7980, 10689), (8379, 10180), (8820, 9671), (9162, 9310)]