242944520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2215

約数の個数: 128

約数和(自身を含む): 694794240

約数和(自身を除く): 451849720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2153, 2170, 2821, 3224, 3640, 4030, 4306, 4340, 5642, 8060, 8612, 8680, 10765, 11284, 14105, 15071, 16120, 17224, 21530, 22568, 27989, 28210, 30142, 43060, 55978, 56420, 60284, 66743, 75355, 86120, 111956, 112840, 120568, 133486, 139945, 150710, 195923, 223912, 266972, 279890, 301420, 333715, 391846, 467201, 533944, 559780, 602840, 667430, 783692, 867659, 934402, 979615, 1119560, 1334860, 1567384, 1735318, 1868804, 1959230, 2336005, 2669720, 3470636, 3737608, 3918460, 4338295, 4672010, 6073613, 6941272, 7836920, 8676590, 9344020, 12147226, 17353180, 18688040, 24294452, 30368065, 34706360, 48588904, 60736130, 121472260, 242944520]

約数ペア:

[(1, 242944520), (2, 121472260), (4, 60736130), (5, 48588904), (7, 34706360), (8, 30368065), (10, 24294452), (13, 18688040), (14, 17353180), (20, 12147226), (26, 9344020), (28, 8676590), (31, 7836920), (35, 6941272), (40, 6073613), (52, 4672010), (56, 4338295), (62, 3918460), (65, 3737608), (70, 3470636), (91, 2669720), (104, 2336005), (124, 1959230), (130, 1868804), (140, 1735318), (155, 1567384), (182, 1334860), (217, 1119560), (248, 979615), (260, 934402), (280, 867659), (310, 783692), (364, 667430), (403, 602840), (434, 559780), (455, 533944), (520, 467201), (620, 391846), (728, 333715), (806, 301420), (868, 279890), (910, 266972), (1085, 223912), (1240, 195923), (1612, 150710), (1736, 139945), (1820, 133486), (2015, 120568), (2153, 112840), (2170, 111956), (2821, 86120), (3224, 75355), (3640, 66743), (4030, 60284), (4306, 56420), (4340, 55978), (5642, 43060), (8060, 30142), (8612, 28210), (8680, 27989), (10765, 22568), (11284, 21530), (14105, 17224), (15071, 16120)]