217547640

素因数分解:

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

素因数の和:112

約数の個数: 256

約数和(自身を含む): 789264000

約数和(自身を除く): 571716360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 41, 45, 51, 54, 60, 68, 72, 82, 85, 90, 102, 108, 120, 123, 135, 136, 153, 164, 170, 180, 204, 205, 216, 246, 255, 270, 289, 306, 328, 340, 360, 369, 408, 410, 459, 492, 510, 540, 578, 612, 615, 680, 697, 738, 765, 820, 867, 918, 984, 1020, 1080, 1107, 1156, 1224, 1230, 1394, 1445, 1476, 1530, 1640, 1734, 1836, 1845, 2040, 2091, 2214, 2295, 2312, 2460, 2601, 2788, 2890, 2952, 3060, 3468, 3485, 3672, 3690, 4182, 4335, 4428, 4590, 4913, 4920, 5202, 5535, 5576, 5780, 6120, 6273, 6936, 6970, 7380, 7803, 8364, 8670, 8856, 9180, 9826, 10404, 10455, 11070, 11560, 11849, 12546, 13005, 13940, 14739, 14760, 15606, 16728, 17340, 18360, 18819, 19652, 20808, 20910, 22140, 23698, 24565, 25092, 26010, 27880, 29478, 31212, 31365, 34680, 35547, 37638, 39015, 39304, 41820, 44217, 44280, 47396, 49130, 50184, 52020, 58956, 59245, 62424, 62730, 71094, 73695, 75276, 78030, 83640, 88434, 94095, 94792, 98260, 104040, 106641, 117912, 118490, 125460, 132651, 142188, 147390, 150552, 156060, 176868, 177735, 188190, 196520, 201433, 213282, 221085, 236980, 250920, 265302, 284376, 294780, 312120, 319923, 353736, 355470, 376380, 402866, 426564, 442170, 473960, 530604, 533205, 589560, 604299, 639846, 663255, 710940, 752760, 805732, 853128, 884340, 1007165, 1061208, 1066410, 1208598, 1279692, 1326510, 1421880, 1599615, 1611464, 1768680, 1812897, 2014330, 2132820, 2417196, 2559384, 2653020, 3021495, 3199230, 3625794, 4028660, 4265640, 4834392, 5306040, 5438691, 6042990, 6398460, 7251588, 8057320, 9064485, 10877382, 12085980, 12796920, 14503176, 18128970, 21754764, 24171960, 27193455, 36257940, 43509528, 54386910, 72515880, 108773820, 217547640]

約数ペア:

[(1, 217547640), (2, 108773820), (3, 72515880), (4, 54386910), (5, 43509528), (6, 36257940), (8, 27193455), (9, 24171960), (10, 21754764), (12, 18128970), (15, 14503176), (17, 12796920), (18, 12085980), (20, 10877382), (24, 9064485), (27, 8057320), (30, 7251588), (34, 6398460), (36, 6042990), (40, 5438691), (41, 5306040), (45, 4834392), (51, 4265640), (54, 4028660), (60, 3625794), (68, 3199230), (72, 3021495), (82, 2653020), (85, 2559384), (90, 2417196), (102, 2132820), (108, 2014330), (120, 1812897), (123, 1768680), (135, 1611464), (136, 1599615), (153, 1421880), (164, 1326510), (170, 1279692), (180, 1208598), (204, 1066410), (205, 1061208), (216, 1007165), (246, 884340), (255, 853128), (270, 805732), (289, 752760), (306, 710940), (328, 663255), (340, 639846), (360, 604299), (369, 589560), (408, 533205), (410, 530604), (459, 473960), (492, 442170), (510, 426564), (540, 402866), (578, 376380), (612, 355470), (615, 353736), (680, 319923), (697, 312120), (738, 294780), (765, 284376), (820, 265302), (867, 250920), (918, 236980), (984, 221085), (1020, 213282), (1080, 201433), (1107, 196520), (1156, 188190), (1224, 177735), (1230, 176868), (1394, 156060), (1445, 150552), (1476, 147390), (1530, 142188), (1640, 132651), (1734, 125460), (1836, 118490), (1845, 117912), (2040, 106641), (2091, 104040), (2214, 98260), (2295, 94792), (2312, 94095), (2460, 88434), (2601, 83640), (2788, 78030), (2890, 75276), (2952, 73695), (3060, 71094), (3468, 62730), (3485, 62424), (3672, 59245), (3690, 58956), (4182, 52020), (4335, 50184), (4428, 49130), (4590, 47396), (4913, 44280), (4920, 44217), (5202, 41820), (5535, 39304), (5576, 39015), (5780, 37638), (6120, 35547), (6273, 34680), (6936, 31365), (6970, 31212), (7380, 29478), (7803, 27880), (8364, 26010), (8670, 25092), (8856, 24565), (9180, 23698), (9826, 22140), (10404, 20910), (10455, 20808), (11070, 19652), (11560, 18819), (11849, 18360), (12546, 17340), (13005, 16728), (13940, 15606), (14739, 14760)]