81846180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 279417600

約数和(自身を除く): 197571420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 89, 90, 108, 117, 130, 131, 135, 156, 178, 180, 195, 234, 260, 262, 267, 270, 351, 356, 390, 393, 445, 468, 524, 534, 540, 585, 655, 702, 780, 786, 801, 890, 1068, 1157, 1170, 1179, 1310, 1335, 1404, 1572, 1602, 1703, 1755, 1780, 1965, 2314, 2340, 2358, 2403, 2620, 2670, 3204, 3406, 3471, 3510, 3537, 3930, 4005, 4628, 4716, 4806, 5109, 5340, 5785, 5895, 6812, 6942, 7020, 7074, 7860, 8010, 8515, 9612, 10218, 10413, 11570, 11659, 11790, 12015, 13884, 14148, 15327, 16020, 17030, 17355, 17685, 20436, 20826, 23140, 23318, 23580, 24030, 25545, 30654, 31239, 34060, 34710, 34977, 35370, 41652, 45981, 46636, 48060, 51090, 52065, 58295, 61308, 62478, 69420, 69954, 70740, 76635, 91962, 102180, 104130, 104931, 116590, 124956, 139908, 151567, 153270, 156195, 174885, 183924, 208260, 209862, 229905, 233180, 303134, 306540, 312390, 314793, 349770, 419724, 454701, 459810, 524655, 606268, 624780, 629586, 699540, 757835, 909402, 919620, 1049310, 1259172, 1364103, 1515670, 1573965, 1818804, 2098620, 2273505, 2728206, 3031340, 3147930, 4092309, 4547010, 5456412, 6295860, 6820515, 8184618, 9094020, 13641030, 16369236, 20461545, 27282060, 40923090, 81846180]

約数ペア:

[(1, 81846180), (2, 40923090), (3, 27282060), (4, 20461545), (5, 16369236), (6, 13641030), (9, 9094020), (10, 8184618), (12, 6820515), (13, 6295860), (15, 5456412), (18, 4547010), (20, 4092309), (26, 3147930), (27, 3031340), (30, 2728206), (36, 2273505), (39, 2098620), (45, 1818804), (52, 1573965), (54, 1515670), (60, 1364103), (65, 1259172), (78, 1049310), (89, 919620), (90, 909402), (108, 757835), (117, 699540), (130, 629586), (131, 624780), (135, 606268), (156, 524655), (178, 459810), (180, 454701), (195, 419724), (234, 349770), (260, 314793), (262, 312390), (267, 306540), (270, 303134), (351, 233180), (356, 229905), (390, 209862), (393, 208260), (445, 183924), (468, 174885), (524, 156195), (534, 153270), (540, 151567), (585, 139908), (655, 124956), (702, 116590), (780, 104931), (786, 104130), (801, 102180), (890, 91962), (1068, 76635), (1157, 70740), (1170, 69954), (1179, 69420), (1310, 62478), (1335, 61308), (1404, 58295), (1572, 52065), (1602, 51090), (1703, 48060), (1755, 46636), (1780, 45981), (1965, 41652), (2314, 35370), (2340, 34977), (2358, 34710), (2403, 34060), (2620, 31239), (2670, 30654), (3204, 25545), (3406, 24030), (3471, 23580), (3510, 23318), (3537, 23140), (3930, 20826), (4005, 20436), (4628, 17685), (4716, 17355), (4806, 17030), (5109, 16020), (5340, 15327), (5785, 14148), (5895, 13884), (6812, 12015), (6942, 11790), (7020, 11659), (7074, 11570), (7860, 10413), (8010, 10218), (8515, 9612)]