15581440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 44739072

約数和(自身を除く): 29157632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 47, 56, 64, 70, 74, 80, 94, 112, 128, 140, 148, 160, 185, 188, 224, 235, 256, 259, 280, 296, 320, 329, 370, 376, 448, 470, 518, 560, 592, 640, 658, 740, 752, 896, 940, 1036, 1120, 1184, 1280, 1295, 1316, 1480, 1504, 1645, 1739, 1792, 1880, 2072, 2240, 2368, 2590, 2632, 2960, 3008, 3290, 3478, 3760, 4144, 4480, 4736, 5180, 5264, 5920, 6016, 6580, 6956, 7520, 8288, 8695, 8960, 9472, 10360, 10528, 11840, 12032, 12173, 13160, 13912, 15040, 16576, 17390, 20720, 21056, 23680, 24346, 26320, 27824, 30080, 33152, 34780, 41440, 42112, 47360, 48692, 52640, 55648, 60160, 60865, 66304, 69560, 82880, 84224, 97384, 105280, 111296, 121730, 139120, 165760, 194768, 210560, 222592, 243460, 278240, 331520, 389536, 421120, 445184, 486920, 556480, 779072, 973840, 1112960, 1558144, 1947680, 2225920, 3116288, 3895360, 7790720, 15581440]

約数ペア:

[(1, 15581440), (2, 7790720), (4, 3895360), (5, 3116288), (7, 2225920), (8, 1947680), (10, 1558144), (14, 1112960), (16, 973840), (20, 779072), (28, 556480), (32, 486920), (35, 445184), (37, 421120), (40, 389536), (47, 331520), (56, 278240), (64, 243460), (70, 222592), (74, 210560), (80, 194768), (94, 165760), (112, 139120), (128, 121730), (140, 111296), (148, 105280), (160, 97384), (185, 84224), (188, 82880), (224, 69560), (235, 66304), (256, 60865), (259, 60160), (280, 55648), (296, 52640), (320, 48692), (329, 47360), (370, 42112), (376, 41440), (448, 34780), (470, 33152), (518, 30080), (560, 27824), (592, 26320), (640, 24346), (658, 23680), (740, 21056), (752, 20720), (896, 17390), (940, 16576), (1036, 15040), (1120, 13912), (1184, 13160), (1280, 12173), (1295, 12032), (1316, 11840), (1480, 10528), (1504, 10360), (1645, 9472), (1739, 8960), (1792, 8695), (1880, 8288), (2072, 7520), (2240, 6956), (2368, 6580), (2590, 6016), (2632, 5920), (2960, 5264), (3008, 5180), (3290, 4736), (3478, 4480), (3760, 4144)]