217654128

素因数分解:

$2^4\times 3^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 694643040

約数和(自身を除く): 476988912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 37, 48, 51, 54, 68, 72, 74, 81, 89, 102, 108, 111, 136, 144, 148, 153, 162, 178, 204, 216, 222, 243, 267, 272, 296, 306, 324, 333, 356, 408, 432, 444, 459, 486, 534, 592, 612, 629, 648, 666, 712, 801, 816, 888, 918, 972, 999, 1068, 1224, 1258, 1296, 1332, 1377, 1424, 1513, 1602, 1776, 1836, 1887, 1944, 1998, 2136, 2403, 2448, 2516, 2664, 2754, 2997, 3026, 3204, 3293, 3672, 3774, 3888, 3996, 4131, 4272, 4539, 4806, 5032, 5328, 5508, 5661, 5994, 6052, 6408, 6586, 7209, 7344, 7548, 7992, 8262, 8991, 9078, 9612, 9879, 10064, 11016, 11322, 11988, 12104, 12816, 13172, 13617, 14418, 15096, 15984, 16524, 16983, 17982, 18156, 19224, 19758, 21627, 22032, 22644, 23976, 24208, 26344, 27234, 28836, 29637, 30192, 33048, 33966, 35964, 36312, 38448, 39516, 40851, 43254, 45288, 47952, 50949, 52688, 54468, 55981, 57672, 59274, 66096, 67932, 71928, 72624, 79032, 81702, 86508, 88911, 90576, 101898, 108936, 111962, 115344, 118548, 122553, 135864, 143856, 152847, 158064, 163404, 167943, 173016, 177822, 203796, 217872, 223924, 237096, 245106, 266733, 271728, 305694, 326808, 335886, 346032, 355644, 367659, 407592, 447848, 474192, 490212, 503829, 533466, 611388, 653616, 671772, 711288, 735318, 800199, 815184, 895696, 980424, 1007658, 1066932, 1222776, 1343544, 1422576, 1470636, 1511487, 1600398, 1960848, 2015316, 2133864, 2445552, 2687088, 2941272, 3022974, 3200796, 4030632, 4267728, 4534461, 5882544, 6045948, 6401592, 8061264, 9068922, 12091896, 12803184, 13603383, 18137844, 24183792, 27206766, 36275688, 54413532, 72551376, 108827064, 217654128]

約数ペア:

[(1, 217654128), (2, 108827064), (3, 72551376), (4, 54413532), (6, 36275688), (8, 27206766), (9, 24183792), (12, 18137844), (16, 13603383), (17, 12803184), (18, 12091896), (24, 9068922), (27, 8061264), (34, 6401592), (36, 6045948), (37, 5882544), (48, 4534461), (51, 4267728), (54, 4030632), (68, 3200796), (72, 3022974), (74, 2941272), (81, 2687088), (89, 2445552), (102, 2133864), (108, 2015316), (111, 1960848), (136, 1600398), (144, 1511487), (148, 1470636), (153, 1422576), (162, 1343544), (178, 1222776), (204, 1066932), (216, 1007658), (222, 980424), (243, 895696), (267, 815184), (272, 800199), (296, 735318), (306, 711288), (324, 671772), (333, 653616), (356, 611388), (408, 533466), (432, 503829), (444, 490212), (459, 474192), (486, 447848), (534, 407592), (592, 367659), (612, 355644), (629, 346032), (648, 335886), (666, 326808), (712, 305694), (801, 271728), (816, 266733), (888, 245106), (918, 237096), (972, 223924), (999, 217872), (1068, 203796), (1224, 177822), (1258, 173016), (1296, 167943), (1332, 163404), (1377, 158064), (1424, 152847), (1513, 143856), (1602, 135864), (1776, 122553), (1836, 118548), (1887, 115344), (1944, 111962), (1998, 108936), (2136, 101898), (2403, 90576), (2448, 88911), (2516, 86508), (2664, 81702), (2754, 79032), (2997, 72624), (3026, 71928), (3204, 67932), (3293, 66096), (3672, 59274), (3774, 57672), (3888, 55981), (3996, 54468), (4131, 52688), (4272, 50949), (4539, 47952), (4806, 45288), (5032, 43254), (5328, 40851), (5508, 39516), (5661, 38448), (5994, 36312), (6052, 35964), (6408, 33966), (6586, 33048), (7209, 30192), (7344, 29637), (7548, 28836), (7992, 27234), (8262, 26344), (8991, 24208), (9078, 23976), (9612, 22644), (9879, 22032), (10064, 21627), (11016, 19758), (11322, 19224), (11988, 18156), (12104, 17982), (12816, 16983), (13172, 16524), (13617, 15984), (14418, 15096)]