78001950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 223016976

約数和(自身を除く): 145015026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 130, 150, 169, 170, 181, 195, 221, 255, 325, 338, 362, 390, 425, 442, 507, 510, 543, 650, 663, 845, 850, 905, 975, 1014, 1086, 1105, 1275, 1326, 1690, 1810, 1950, 2210, 2353, 2535, 2550, 2715, 2873, 3077, 3315, 4225, 4525, 4706, 5070, 5430, 5525, 5746, 6154, 6630, 7059, 8450, 8619, 9050, 9231, 11050, 11765, 12675, 13575, 14118, 14365, 15385, 16575, 17238, 18462, 23530, 25350, 27150, 28730, 30589, 30770, 33150, 35295, 40001, 43095, 46155, 58825, 61178, 70590, 71825, 76925, 80002, 86190, 91767, 92310, 117650, 120003, 143650, 152945, 153850, 176475, 183534, 200005, 215475, 230775, 240006, 305890, 352950, 400010, 430950, 458835, 461550, 520013, 600015, 764725, 917670, 1000025, 1040026, 1200030, 1529450, 1560039, 2000050, 2294175, 2600065, 3000075, 3120078, 4588350, 5200130, 6000150, 7800195, 13000325, 15600390, 26000650, 39000975, 78001950]

約数ペア:

[(1, 78001950), (2, 39000975), (3, 26000650), (5, 15600390), (6, 13000325), (10, 7800195), (13, 6000150), (15, 5200130), (17, 4588350), (25, 3120078), (26, 3000075), (30, 2600065), (34, 2294175), (39, 2000050), (50, 1560039), (51, 1529450), (65, 1200030), (75, 1040026), (78, 1000025), (85, 917670), (102, 764725), (130, 600015), (150, 520013), (169, 461550), (170, 458835), (181, 430950), (195, 400010), (221, 352950), (255, 305890), (325, 240006), (338, 230775), (362, 215475), (390, 200005), (425, 183534), (442, 176475), (507, 153850), (510, 152945), (543, 143650), (650, 120003), (663, 117650), (845, 92310), (850, 91767), (905, 86190), (975, 80002), (1014, 76925), (1086, 71825), (1105, 70590), (1275, 61178), (1326, 58825), (1690, 46155), (1810, 43095), (1950, 40001), (2210, 35295), (2353, 33150), (2535, 30770), (2550, 30589), (2715, 28730), (2873, 27150), (3077, 25350), (3315, 23530), (4225, 18462), (4525, 17238), (4706, 16575), (5070, 15385), (5430, 14365), (5525, 14118), (5746, 13575), (6154, 12675), (6630, 11765), (7059, 11050), (8450, 9231), (8619, 9050)]