245934780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1516

約数の個数: 192

約数和(自身を含む): 875470848

約数和(自身を除く): 629536068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1453, 1612, 1820, 1860, 2015, 2170, 2418, 2604, 2730, 2821, 2906, 3255, 4030, 4340, 4359, 4836, 5460, 5642, 5812, 6045, 6510, 7265, 8060, 8463, 8718, 10171, 11284, 12090, 13020, 14105, 14530, 16926, 17436, 18889, 20342, 21795, 24180, 28210, 29060, 30513, 33852, 37778, 40684, 42315, 43590, 45043, 50855, 56420, 56667, 61026, 75556, 84630, 87180, 90086, 94445, 101710, 113334, 122052, 132223, 135129, 152565, 169260, 180172, 188890, 203420, 225215, 226668, 264446, 270258, 283335, 305130, 315301, 377780, 396669, 450430, 528892, 540516, 566670, 585559, 610260, 630602, 661115, 675645, 793338, 900860, 945903, 1133340, 1171118, 1261204, 1322230, 1351290, 1576505, 1586676, 1756677, 1891806, 1983345, 2342236, 2644460, 2702580, 2927795, 3153010, 3513354, 3783612, 3966690, 4098913, 4729515, 5855590, 6306020, 7026708, 7933380, 8197826, 8783385, 9459030, 11711180, 12296739, 16395652, 17566770, 18918060, 20494565, 24593478, 35133540, 40989130, 49186956, 61483695, 81978260, 122967390, 245934780]

約数ペア:

[(1, 245934780), (2, 122967390), (3, 81978260), (4, 61483695), (5, 49186956), (6, 40989130), (7, 35133540), (10, 24593478), (12, 20494565), (13, 18918060), (14, 17566770), (15, 16395652), (20, 12296739), (21, 11711180), (26, 9459030), (28, 8783385), (30, 8197826), (31, 7933380), (35, 7026708), (39, 6306020), (42, 5855590), (52, 4729515), (60, 4098913), (62, 3966690), (65, 3783612), (70, 3513354), (78, 3153010), (84, 2927795), (91, 2702580), (93, 2644460), (105, 2342236), (124, 1983345), (130, 1891806), (140, 1756677), (155, 1586676), (156, 1576505), (182, 1351290), (186, 1322230), (195, 1261204), (210, 1171118), (217, 1133340), (260, 945903), (273, 900860), (310, 793338), (364, 675645), (372, 661115), (390, 630602), (403, 610260), (420, 585559), (434, 566670), (455, 540516), (465, 528892), (546, 450430), (620, 396669), (651, 377780), (780, 315301), (806, 305130), (868, 283335), (910, 270258), (930, 264446), (1085, 226668), (1092, 225215), (1209, 203420), (1302, 188890), (1365, 180172), (1453, 169260), (1612, 152565), (1820, 135129), (1860, 132223), (2015, 122052), (2170, 113334), (2418, 101710), (2604, 94445), (2730, 90086), (2821, 87180), (2906, 84630), (3255, 75556), (4030, 61026), (4340, 56667), (4359, 56420), (4836, 50855), (5460, 45043), (5642, 43590), (5812, 42315), (6045, 40684), (6510, 37778), (7265, 33852), (8060, 30513), (8463, 29060), (8718, 28210), (10171, 24180), (11284, 21795), (12090, 20342), (13020, 18889), (14105, 17436), (14530, 16926)]