215524400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 661291008

約数和(自身を除く): 445766608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 80, 91, 100, 104, 112, 124, 130, 140, 155, 175, 182, 191, 200, 208, 217, 248, 260, 280, 310, 325, 350, 364, 382, 400, 403, 434, 455, 496, 520, 560, 620, 650, 700, 728, 764, 775, 806, 868, 910, 955, 1040, 1085, 1240, 1300, 1337, 1400, 1456, 1528, 1550, 1612, 1736, 1820, 1910, 2015, 2170, 2275, 2480, 2483, 2600, 2674, 2800, 2821, 3056, 3100, 3224, 3472, 3640, 3820, 4030, 4340, 4550, 4775, 4966, 5200, 5348, 5425, 5642, 5921, 6200, 6448, 6685, 7280, 7640, 8060, 8680, 9100, 9550, 9932, 10075, 10696, 10850, 11284, 11842, 12400, 12415, 13370, 14105, 15280, 16120, 17360, 17381, 18200, 19100, 19864, 20150, 21392, 21700, 22568, 23684, 24830, 26740, 28210, 29605, 32240, 33425, 34762, 36400, 38200, 39728, 40300, 41447, 43400, 45136, 47368, 49660, 53480, 56420, 59210, 62075, 66850, 69524, 70525, 76400, 76973, 80600, 82894, 86800, 86905, 94736, 99320, 106960, 112840, 118420, 124150, 133700, 139048, 141050, 148025, 153946, 161200, 165788, 173810, 198640, 207235, 225680, 236840, 248300, 267400, 278096, 282100, 296050, 307892, 331576, 347620, 384865, 414470, 434525, 473680, 496600, 534800, 538811, 564200, 592100, 615784, 663152, 695240, 769730, 828940, 869050, 993200, 1036175, 1077622, 1128400, 1184200, 1231568, 1390480, 1539460, 1657880, 1738100, 1924325, 2072350, 2155244, 2368400, 2694055, 3078920, 3315760, 3476200, 3848650, 4144700, 4310488, 5388110, 6157840, 6952400, 7697300, 8289400, 8620976, 10776220, 13470275, 15394600, 16578800, 21552440, 26940550, 30789200, 43104880, 53881100, 107762200, 215524400]

約数ペア:

[(1, 215524400), (2, 107762200), (4, 53881100), (5, 43104880), (7, 30789200), (8, 26940550), (10, 21552440), (13, 16578800), (14, 15394600), (16, 13470275), (20, 10776220), (25, 8620976), (26, 8289400), (28, 7697300), (31, 6952400), (35, 6157840), (40, 5388110), (50, 4310488), (52, 4144700), (56, 3848650), (62, 3476200), (65, 3315760), (70, 3078920), (80, 2694055), (91, 2368400), (100, 2155244), (104, 2072350), (112, 1924325), (124, 1738100), (130, 1657880), (140, 1539460), (155, 1390480), (175, 1231568), (182, 1184200), (191, 1128400), (200, 1077622), (208, 1036175), (217, 993200), (248, 869050), (260, 828940), (280, 769730), (310, 695240), (325, 663152), (350, 615784), (364, 592100), (382, 564200), (400, 538811), (403, 534800), (434, 496600), (455, 473680), (496, 434525), (520, 414470), (560, 384865), (620, 347620), (650, 331576), (700, 307892), (728, 296050), (764, 282100), (775, 278096), (806, 267400), (868, 248300), (910, 236840), (955, 225680), (1040, 207235), (1085, 198640), (1240, 173810), (1300, 165788), (1337, 161200), (1400, 153946), (1456, 148025), (1528, 141050), (1550, 139048), (1612, 133700), (1736, 124150), (1820, 118420), (1910, 112840), (2015, 106960), (2170, 99320), (2275, 94736), (2480, 86905), (2483, 86800), (2600, 82894), (2674, 80600), (2800, 76973), (2821, 76400), (3056, 70525), (3100, 69524), (3224, 66850), (3472, 62075), (3640, 59210), (3820, 56420), (4030, 53480), (4340, 49660), (4550, 47368), (4775, 45136), (4966, 43400), (5200, 41447), (5348, 40300), (5425, 39728), (5642, 38200), (5921, 36400), (6200, 34762), (6448, 33425), (6685, 32240), (7280, 29605), (7640, 28210), (8060, 26740), (8680, 24830), (9100, 23684), (9550, 22568), (9932, 21700), (10075, 21392), (10696, 20150), (10850, 19864), (11284, 19100), (11842, 18200), (12400, 17381), (12415, 17360), (13370, 16120), (14105, 15280)]