2018063320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1973}}^1$

素因数の和:2285

約数の個数: 128

約数和(自身を含む): 5611213440

約数和(自身を除く): 3593150120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 281, 364, 455, 520, 562, 728, 910, 1124, 1405, 1820, 1967, 1973, 2248, 2810, 3640, 3653, 3934, 3946, 5620, 7306, 7868, 7892, 9835, 9865, 11240, 13811, 14612, 15736, 15784, 18265, 19670, 19730, 25571, 25649, 27622, 29224, 36530, 39340, 39460, 51142, 51298, 55244, 69055, 73060, 78680, 78920, 102284, 102596, 110488, 127855, 128245, 138110, 146120, 179543, 204568, 205192, 255710, 256490, 276220, 359086, 511420, 512980, 552440, 554413, 718172, 897715, 1022840, 1025960, 1108826, 1436344, 1795430, 2217652, 2772065, 3590860, 3880891, 4435304, 5544130, 7181720, 7207369, 7761782, 11088260, 14414738, 15523564, 19404455, 22176520, 28829476, 31047128, 36036845, 38808910, 50451583, 57658952, 72073690, 77617820, 100903166, 144147380, 155235640, 201806332, 252257915, 288294760, 403612664, 504515830, 1009031660, 2018063320]

約数ペア:

[(1, 2018063320), (2, 1009031660), (4, 504515830), (5, 403612664), (7, 288294760), (8, 252257915), (10, 201806332), (13, 155235640), (14, 144147380), (20, 100903166), (26, 77617820), (28, 72073690), (35, 57658952), (40, 50451583), (52, 38808910), (56, 36036845), (65, 31047128), (70, 28829476), (91, 22176520), (104, 19404455), (130, 15523564), (140, 14414738), (182, 11088260), (260, 7761782), (280, 7207369), (281, 7181720), (364, 5544130), (455, 4435304), (520, 3880891), (562, 3590860), (728, 2772065), (910, 2217652), (1124, 1795430), (1405, 1436344), (1820, 1108826), (1967, 1025960), (1973, 1022840), (2248, 897715), (2810, 718172), (3640, 554413), (3653, 552440), (3934, 512980), (3946, 511420), (5620, 359086), (7306, 276220), (7868, 256490), (7892, 255710), (9835, 205192), (9865, 204568), (11240, 179543), (13811, 146120), (14612, 138110), (15736, 128245), (15784, 127855), (18265, 110488), (19670, 102596), (19730, 102284), (25571, 78920), (25649, 78680), (27622, 73060), (29224, 69055), (36530, 55244), (39340, 51298), (39460, 51142)]