1781964240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1459}}^1$

素因数の和:2209

約数の個数: 160

約数和(自身を含む): 6326261760

約数和(自身を除く): 4544297520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 727, 840, 1454, 1459, 1680, 2181, 2908, 2918, 3635, 4362, 4377, 5089, 5816, 5836, 7270, 7295, 8724, 8754, 10178, 10213, 10905, 11632, 11672, 14540, 14590, 15267, 17448, 17508, 20356, 20426, 21810, 21885, 23344, 25445, 29080, 29180, 30534, 30639, 34896, 35016, 40712, 40852, 43620, 43770, 50890, 51065, 58160, 58360, 61068, 61278, 70032, 76335, 81424, 81704, 87240, 87540, 101780, 102130, 116720, 122136, 122556, 152670, 153195, 163408, 174480, 175080, 203560, 204260, 244272, 245112, 305340, 306390, 350160, 407120, 408520, 490224, 610680, 612780, 817040, 1060693, 1221360, 1225560, 2121386, 2451120, 3182079, 4242772, 5303465, 6364158, 7424851, 8485544, 10606930, 12728316, 14849702, 15910395, 16971088, 21213860, 22274553, 25456632, 29699404, 31820790, 37124255, 42427720, 44549106, 50913264, 59398808, 63641580, 74248510, 84855440, 89098212, 111372765, 118797616, 127283160, 148497020, 178196424, 222745530, 254566320, 296994040, 356392848, 445491060, 593988080, 890982120, 1781964240]

約数ペア:

[(1, 1781964240), (2, 890982120), (3, 593988080), (4, 445491060), (5, 356392848), (6, 296994040), (7, 254566320), (8, 222745530), (10, 178196424), (12, 148497020), (14, 127283160), (15, 118797616), (16, 111372765), (20, 89098212), (21, 84855440), (24, 74248510), (28, 63641580), (30, 59398808), (35, 50913264), (40, 44549106), (42, 42427720), (48, 37124255), (56, 31820790), (60, 29699404), (70, 25456632), (80, 22274553), (84, 21213860), (105, 16971088), (112, 15910395), (120, 14849702), (140, 12728316), (168, 10606930), (210, 8485544), (240, 7424851), (280, 6364158), (336, 5303465), (420, 4242772), (560, 3182079), (727, 2451120), (840, 2121386), (1454, 1225560), (1459, 1221360), (1680, 1060693), (2181, 817040), (2908, 612780), (2918, 610680), (3635, 490224), (4362, 408520), (4377, 407120), (5089, 350160), (5816, 306390), (5836, 305340), (7270, 245112), (7295, 244272), (8724, 204260), (8754, 203560), (10178, 175080), (10213, 174480), (10905, 163408), (11632, 153195), (11672, 152670), (14540, 122556), (14590, 122136), (15267, 116720), (17448, 102130), (17508, 101780), (20356, 87540), (20426, 87240), (21810, 81704), (21885, 81424), (23344, 76335), (25445, 70032), (29080, 61278), (29180, 61068), (30534, 58360), (30639, 58160), (34896, 51065), (35016, 50890), (40712, 43770), (40852, 43620)]