491555191920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1\times {\mathrm{69991}}^1$

素因数の和:72271

約数の個数: 160

約数和(自身を含む): 1641790585344

約数和(自身を除く): 1150235393424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 2251, 3120, 4502, 6753, 9004, 11255, 13506, 18008, 22510, 27012, 29263, 33765, 36016, 45020, 54024, 58526, 67530, 69991, 87789, 90040, 108048, 117052, 135060, 139982, 146315, 175578, 180080, 209973, 234104, 270120, 279964, 292630, 349955, 351156, 419946, 438945, 468208, 540240, 559928, 585260, 699910, 702312, 839892, 877890, 909883, 1049865, 1119856, 1170520, 1399820, 1404624, 1679784, 1755780, 1819766, 2099730, 2341040, 2729649, 2799640, 3359568, 3511560, 3639532, 4199460, 4549415, 5459298, 5599280, 7023120, 7279064, 8398920, 9098830, 10918596, 13648245, 14558128, 16797840, 18197660, 21837192, 27296490, 36395320, 43674384, 54592980, 72790640, 109185960, 157549741, 218371920, 315099482, 472649223, 630198964, 787748705, 945298446, 1260397928, 1575497410, 1890596892, 2048146633, 2363246115, 2520795856, 3150994820, 3781193784, 4096293266, 4726492230, 6144439899, 6301989640, 7562387568, 8192586532, 9452984460, 10240733165, 12288879798, 12603979280, 16385173064, 18905968920, 20481466330, 24577759596, 30722199495, 32770346128, 37811937840, 40962932660, 49155519192, 61444398990, 81925865320, 98311038384, 122888797980, 163851730640, 245777595960, 491555191920]

約数ペア:

[(1, 491555191920), (2, 245777595960), (3, 163851730640), (4, 122888797980), (5, 98311038384), (6, 81925865320), (8, 61444398990), (10, 49155519192), (12, 40962932660), (13, 37811937840), (15, 32770346128), (16, 30722199495), (20, 24577759596), (24, 20481466330), (26, 18905968920), (30, 16385173064), (39, 12603979280), (40, 12288879798), (48, 10240733165), (52, 9452984460), (60, 8192586532), (65, 7562387568), (78, 6301989640), (80, 6144439899), (104, 4726492230), (120, 4096293266), (130, 3781193784), (156, 3150994820), (195, 2520795856), (208, 2363246115), (240, 2048146633), (260, 1890596892), (312, 1575497410), (390, 1260397928), (520, 945298446), (624, 787748705), (780, 630198964), (1040, 472649223), (1560, 315099482), (2251, 218371920), (3120, 157549741), (4502, 109185960), (6753, 72790640), (9004, 54592980), (11255, 43674384), (13506, 36395320), (18008, 27296490), (22510, 21837192), (27012, 18197660), (29263, 16797840), (33765, 14558128), (36016, 13648245), (45020, 10918596), (54024, 9098830), (58526, 8398920), (67530, 7279064), (69991, 7023120), (87789, 5599280), (90040, 5459298), (108048, 4549415), (117052, 4199460), (135060, 3639532), (139982, 3511560), (146315, 3359568), (175578, 2799640), (180080, 2729649), (209973, 2341040), (234104, 2099730), (270120, 1819766), (279964, 1755780), (292630, 1679784), (349955, 1404624), (351156, 1399820), (419946, 1170520), (438945, 1119856), (468208, 1049865), (540240, 909883), (559928, 877890), (585260, 839892), (699910, 702312)]