378847280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 1053265920

約数和(自身を除く): 674418640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 139, 140, 155, 157, 217, 248, 278, 280, 310, 314, 434, 496, 556, 560, 620, 628, 695, 785, 868, 973, 1085, 1099, 1112, 1240, 1256, 1390, 1570, 1736, 1946, 2170, 2198, 2224, 2480, 2512, 2780, 3140, 3472, 3892, 4309, 4340, 4396, 4865, 4867, 5495, 5560, 6280, 7784, 8618, 8680, 8792, 9730, 9734, 10990, 11120, 12560, 15568, 17236, 17360, 17584, 19460, 19468, 21545, 21823, 21980, 24335, 30163, 34069, 34472, 38920, 38936, 43090, 43646, 43960, 48670, 60326, 68138, 68944, 77840, 77872, 86180, 87292, 87920, 97340, 109115, 120652, 136276, 150815, 152761, 170345, 172360, 174584, 194680, 218230, 241304, 272552, 301630, 305522, 340690, 344720, 349168, 389360, 436460, 482608, 545104, 603260, 611044, 676513, 681380, 763805, 872920, 1206520, 1222088, 1353026, 1362760, 1527610, 1745840, 2413040, 2444176, 2706052, 2725520, 3055220, 3382565, 4735591, 5412104, 6110440, 6765130, 9471182, 10824208, 12220880, 13530260, 18942364, 23677955, 27060520, 37884728, 47355910, 54121040, 75769456, 94711820, 189423640, 378847280]

約数ペア:

[(1, 378847280), (2, 189423640), (4, 94711820), (5, 75769456), (7, 54121040), (8, 47355910), (10, 37884728), (14, 27060520), (16, 23677955), (20, 18942364), (28, 13530260), (31, 12220880), (35, 10824208), (40, 9471182), (56, 6765130), (62, 6110440), (70, 5412104), (80, 4735591), (112, 3382565), (124, 3055220), (139, 2725520), (140, 2706052), (155, 2444176), (157, 2413040), (217, 1745840), (248, 1527610), (278, 1362760), (280, 1353026), (310, 1222088), (314, 1206520), (434, 872920), (496, 763805), (556, 681380), (560, 676513), (620, 611044), (628, 603260), (695, 545104), (785, 482608), (868, 436460), (973, 389360), (1085, 349168), (1099, 344720), (1112, 340690), (1240, 305522), (1256, 301630), (1390, 272552), (1570, 241304), (1736, 218230), (1946, 194680), (2170, 174584), (2198, 172360), (2224, 170345), (2480, 152761), (2512, 150815), (2780, 136276), (3140, 120652), (3472, 109115), (3892, 97340), (4309, 87920), (4340, 87292), (4396, 86180), (4865, 77872), (4867, 77840), (5495, 68944), (5560, 68138), (6280, 60326), (7784, 48670), (8618, 43960), (8680, 43646), (8792, 43090), (9730, 38936), (9734, 38920), (10990, 34472), (11120, 34069), (12560, 30163), (15568, 24335), (17236, 21980), (17360, 21823), (17584, 21545), (19460, 19468)]