217685340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1089

約数の個数: 192

約数和(自身を含む): 748984320

約数和(自身を除く): 531298980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 34, 36, 45, 46, 51, 54, 60, 68, 69, 85, 90, 92, 102, 108, 115, 135, 138, 153, 170, 180, 204, 207, 230, 255, 270, 276, 306, 340, 345, 391, 414, 459, 460, 510, 540, 612, 621, 690, 765, 782, 828, 918, 1020, 1031, 1035, 1173, 1242, 1380, 1530, 1564, 1836, 1955, 2062, 2070, 2295, 2346, 2484, 3060, 3093, 3105, 3519, 3910, 4124, 4140, 4590, 4692, 5155, 5865, 6186, 6210, 7038, 7820, 9180, 9279, 10310, 10557, 11730, 12372, 12420, 14076, 15465, 17527, 17595, 18558, 20620, 21114, 23460, 23713, 27837, 30930, 35054, 35190, 37116, 42228, 46395, 47426, 52581, 52785, 55674, 61860, 70108, 70380, 71139, 87635, 92790, 94852, 105162, 105570, 111348, 118565, 139185, 142278, 157743, 175270, 185580, 210324, 211140, 213417, 237130, 262905, 278370, 284556, 315486, 350540, 355695, 403121, 426834, 473229, 474260, 525810, 556740, 630972, 640251, 711390, 788715, 806242, 853668, 946458, 1051620, 1067085, 1209363, 1280502, 1422780, 1577430, 1612484, 1892916, 2015605, 2134170, 2366145, 2418726, 2561004, 3154860, 3201255, 3628089, 4031210, 4268340, 4732290, 4837452, 6046815, 6402510, 7256178, 8062420, 9464580, 10884267, 12093630, 12805020, 14512356, 18140445, 21768534, 24187260, 36280890, 43537068, 54421335, 72561780, 108842670, 217685340]

約数ペア:

[(1, 217685340), (2, 108842670), (3, 72561780), (4, 54421335), (5, 43537068), (6, 36280890), (9, 24187260), (10, 21768534), (12, 18140445), (15, 14512356), (17, 12805020), (18, 12093630), (20, 10884267), (23, 9464580), (27, 8062420), (30, 7256178), (34, 6402510), (36, 6046815), (45, 4837452), (46, 4732290), (51, 4268340), (54, 4031210), (60, 3628089), (68, 3201255), (69, 3154860), (85, 2561004), (90, 2418726), (92, 2366145), (102, 2134170), (108, 2015605), (115, 1892916), (135, 1612484), (138, 1577430), (153, 1422780), (170, 1280502), (180, 1209363), (204, 1067085), (207, 1051620), (230, 946458), (255, 853668), (270, 806242), (276, 788715), (306, 711390), (340, 640251), (345, 630972), (391, 556740), (414, 525810), (459, 474260), (460, 473229), (510, 426834), (540, 403121), (612, 355695), (621, 350540), (690, 315486), (765, 284556), (782, 278370), (828, 262905), (918, 237130), (1020, 213417), (1031, 211140), (1035, 210324), (1173, 185580), (1242, 175270), (1380, 157743), (1530, 142278), (1564, 139185), (1836, 118565), (1955, 111348), (2062, 105570), (2070, 105162), (2295, 94852), (2346, 92790), (2484, 87635), (3060, 71139), (3093, 70380), (3105, 70108), (3519, 61860), (3910, 55674), (4124, 52785), (4140, 52581), (4590, 47426), (4692, 46395), (5155, 42228), (5865, 37116), (6186, 35190), (6210, 35054), (7038, 30930), (7820, 27837), (9180, 23713), (9279, 23460), (10310, 21114), (10557, 20620), (11730, 18558), (12372, 17595), (12420, 17527), (14076, 15465)]