255550360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 650280960

約数和(自身を除く): 394730600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 83, 104, 124, 130, 155, 166, 191, 248, 260, 310, 332, 382, 403, 415, 520, 620, 664, 764, 806, 830, 955, 1079, 1240, 1528, 1612, 1660, 1910, 2015, 2158, 2483, 2573, 3224, 3320, 3820, 4030, 4316, 4966, 5146, 5395, 5921, 7640, 8060, 8632, 9932, 10292, 10790, 11842, 12415, 12865, 15853, 16120, 19864, 20584, 21580, 23684, 24830, 25730, 29605, 31706, 33449, 43160, 47368, 49660, 51460, 59210, 63412, 66898, 76973, 79265, 99320, 102920, 118420, 126824, 133796, 153946, 158530, 167245, 206089, 236840, 267592, 307892, 317060, 334490, 384865, 412178, 491443, 615784, 634120, 668980, 769730, 824356, 982886, 1030445, 1337960, 1539460, 1648712, 1965772, 2060890, 2457215, 3078920, 3931544, 4121780, 4914430, 6388759, 8243560, 9828860, 12777518, 19657720, 25555036, 31943795, 51110072, 63887590, 127775180, 255550360]

約数ペア:

[(1, 255550360), (2, 127775180), (4, 63887590), (5, 51110072), (8, 31943795), (10, 25555036), (13, 19657720), (20, 12777518), (26, 9828860), (31, 8243560), (40, 6388759), (52, 4914430), (62, 4121780), (65, 3931544), (83, 3078920), (104, 2457215), (124, 2060890), (130, 1965772), (155, 1648712), (166, 1539460), (191, 1337960), (248, 1030445), (260, 982886), (310, 824356), (332, 769730), (382, 668980), (403, 634120), (415, 615784), (520, 491443), (620, 412178), (664, 384865), (764, 334490), (806, 317060), (830, 307892), (955, 267592), (1079, 236840), (1240, 206089), (1528, 167245), (1612, 158530), (1660, 153946), (1910, 133796), (2015, 126824), (2158, 118420), (2483, 102920), (2573, 99320), (3224, 79265), (3320, 76973), (3820, 66898), (4030, 63412), (4316, 59210), (4966, 51460), (5146, 49660), (5395, 47368), (5921, 43160), (7640, 33449), (8060, 31706), (8632, 29605), (9932, 25730), (10292, 24830), (10790, 23684), (11842, 21580), (12415, 20584), (12865, 19864), (15853, 16120)]