28415818920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449333}}^1$

素因数の和:449395

約数の個数: 128

約数和(自身を含む): 93173898240

約数和(自身を除く): 64758079320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6324, 7905, 10540, 12648, 15810, 21080, 31620, 63240, 449333, 898666, 1347999, 1797332, 2246665, 2695998, 3594664, 4493330, 5391996, 6739995, 7638661, 8986660, 10783992, 13479990, 13929323, 15277322, 17973320, 22915983, 26959980, 27858646, 30554644, 38193305, 41787969, 45831966, 53919960, 55717292, 61109288, 69646615, 76386610, 83575938, 91663932, 111434584, 114579915, 139293230, 152773220, 167151876, 183327864, 208939845, 229159830, 236798491, 278586460, 305546440, 334303752, 417879690, 458319660, 473596982, 557172920, 710395473, 835759380, 916639320, 947193964, 1183992455, 1420790946, 1671518760, 1894387928, 2367984910, 2841581892, 3551977365, 4735969820, 5683163784, 7103954730, 9471939640, 14207909460, 28415818920]

約数ペア:

[(1, 28415818920), (2, 14207909460), (3, 9471939640), (4, 7103954730), (5, 5683163784), (6, 4735969820), (8, 3551977365), (10, 2841581892), (12, 2367984910), (15, 1894387928), (17, 1671518760), (20, 1420790946), (24, 1183992455), (30, 947193964), (31, 916639320), (34, 835759380), (40, 710395473), (51, 557172920), (60, 473596982), (62, 458319660), (68, 417879690), (85, 334303752), (93, 305546440), (102, 278586460), (120, 236798491), (124, 229159830), (136, 208939845), (155, 183327864), (170, 167151876), (186, 152773220), (204, 139293230), (248, 114579915), (255, 111434584), (310, 91663932), (340, 83575938), (372, 76386610), (408, 69646615), (465, 61109288), (510, 55717292), (527, 53919960), (620, 45831966), (680, 41787969), (744, 38193305), (930, 30554644), (1020, 27858646), (1054, 26959980), (1240, 22915983), (1581, 17973320), (1860, 15277322), (2040, 13929323), (2108, 13479990), (2635, 10783992), (3162, 8986660), (3720, 7638661), (4216, 6739995), (5270, 5391996), (6324, 4493330), (7905, 3594664), (10540, 2695998), (12648, 2246665), (15810, 1797332), (21080, 1347999), (31620, 898666), (63240, 449333)]