28115100

素因数分解:

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

素因数の和:131

約数の個数: 216

約数和(自身を含む): 99524880

約数和(自身を除く): 71409780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 89, 90, 100, 108, 117, 130, 135, 150, 156, 162, 178, 180, 195, 225, 234, 243, 260, 267, 270, 300, 324, 325, 351, 356, 390, 405, 445, 450, 468, 486, 534, 540, 585, 650, 675, 702, 780, 801, 810, 890, 900, 972, 975, 1053, 1068, 1157, 1170, 1215, 1300, 1335, 1350, 1404, 1602, 1620, 1755, 1780, 1950, 2025, 2106, 2225, 2314, 2340, 2403, 2430, 2670, 2700, 2925, 3159, 3204, 3471, 3510, 3900, 4005, 4050, 4212, 4450, 4628, 4806, 4860, 5265, 5340, 5785, 5850, 6075, 6318, 6675, 6942, 7020, 7209, 8010, 8100, 8775, 8900, 9612, 10413, 10530, 11570, 11700, 12015, 12150, 12636, 13350, 13884, 14418, 15795, 16020, 17355, 17550, 20025, 20826, 21060, 21627, 23140, 24030, 24300, 26325, 26700, 28836, 28925, 31239, 31590, 34710, 35100, 36045, 40050, 41652, 43254, 48060, 52065, 52650, 57850, 60075, 62478, 63180, 69420, 72090, 78975, 80100, 86508, 86775, 93717, 104130, 105300, 108135, 115700, 120150, 124956, 144180, 156195, 157950, 173550, 180225, 187434, 208260, 216270, 240300, 260325, 281151, 312390, 315900, 347100, 360450, 374868, 432540, 468585, 520650, 540675, 562302, 624780, 720900, 780975, 937170, 1041300, 1081350, 1124604, 1405755, 1561950, 1874340, 2162700, 2342925, 2811510, 3123900, 4685850, 5623020, 7028775, 9371700, 14057550, 28115100]

約数ペア:

[(1, 28115100), (2, 14057550), (3, 9371700), (4, 7028775), (5, 5623020), (6, 4685850), (9, 3123900), (10, 2811510), (12, 2342925), (13, 2162700), (15, 1874340), (18, 1561950), (20, 1405755), (25, 1124604), (26, 1081350), (27, 1041300), (30, 937170), (36, 780975), (39, 720900), (45, 624780), (50, 562302), (52, 540675), (54, 520650), (60, 468585), (65, 432540), (75, 374868), (78, 360450), (81, 347100), (89, 315900), (90, 312390), (100, 281151), (108, 260325), (117, 240300), (130, 216270), (135, 208260), (150, 187434), (156, 180225), (162, 173550), (178, 157950), (180, 156195), (195, 144180), (225, 124956), (234, 120150), (243, 115700), (260, 108135), (267, 105300), (270, 104130), (300, 93717), (324, 86775), (325, 86508), (351, 80100), (356, 78975), (390, 72090), (405, 69420), (445, 63180), (450, 62478), (468, 60075), (486, 57850), (534, 52650), (540, 52065), (585, 48060), (650, 43254), (675, 41652), (702, 40050), (780, 36045), (801, 35100), (810, 34710), (890, 31590), (900, 31239), (972, 28925), (975, 28836), (1053, 26700), (1068, 26325), (1157, 24300), (1170, 24030), (1215, 23140), (1300, 21627), (1335, 21060), (1350, 20826), (1404, 20025), (1602, 17550), (1620, 17355), (1755, 16020), (1780, 15795), (1950, 14418), (2025, 13884), (2106, 13350), (2225, 12636), (2314, 12150), (2340, 12015), (2403, 11700), (2430, 11570), (2670, 10530), (2700, 10413), (2925, 9612), (3159, 8900), (3204, 8775), (3471, 8100), (3510, 8010), (3900, 7209), (4005, 7020), (4050, 6942), (4212, 6675), (4450, 6318), (4628, 6075), (4806, 5850), (4860, 5785), (5265, 5340)]